Tensioner assembly woes
#1
04-23-2012, 09:27 PM
Tensioner assembly woes
So I've had trouble in the past of serpentine belts slipping off and my tensioner assembly was the problem which caused the belt to track with an eighth inch overhang on the pully. After the last time it tore up my tranny cooler lines I decided it was past time to replace the tensioner. I had no trouble getting the old one out, but when I tried to install this one I ran into a hang up.
Literally. The assembly won't fit because the assembly housing hits the idler pulley right below it. I tried to remove the torx bolt that holds the idler pulley but couldn't keep enough pressure on it to break it free and I'm afraid I may have stripped it too bad to remove without having to resort to an easy-out or similar.
Is there anything I can do without having to take out the radiator to get to things better?
Literally. The assembly won't fit because the assembly housing hits the idler pulley right below it. I tried to remove the torx bolt that holds the idler pulley but couldn't keep enough pressure on it to break it free and I'm afraid I may have stripped it too bad to remove without having to resort to an easy-out or similar.
Is there anything I can do without having to take out the radiator to get to things better?
#2
04-25-2012, 05:21 PM
#3
04-25-2012, 05:44 PM
#4
04-25-2012, 10:12 PM
Post Fiend
Join Date: Jul 2006
Location: Wabanaki Indian Territory
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TSB
95-5-22 ACCESSORY DRIVE BELTS - ALL 7.3L IDI DIESELS - COME OFF ACCESSORY DRIVE PULLEYS - VEHICLES BUILT AFTER 2/15/92
ENGINE - ALL 7.3L IDI DIESELS - FRONT END ACCESSORY DRIVE MISALIGNMENT - FEAD BELT TRACKING ISSUES - VEHICLES BUILT AFTER 2/15/92
Publication Date: MARCH 13, 1995
LIGHT TRUCK: 1992-1994 ECONOLINE, F-250, F-350, F-47
This TSB article is being republished in its entirety to include the latest level parts and to update the service procedure.
ISSUE:
Some diesel-powered vehicles are experiencing drive belt tracking concerns. This is caused by Front End Accessory Drive (FEAD) misalignment, which may result in the belt coming off the accessory drive pulleys. If this occurs, several warning lights will illuminate and the vehicle will lose generator and A/C function and water pump circulation. In addition, steering efforts will increase and, after one or a few brake applications, brake efforts will progressively increase.
ACTION:
Check and align the FEAD. Replace worn pulleys, A/C-P/S-V/P (air conditioner - power steering - vacuum pump) bracket and tensioner and install rubber-backed belts. Refer to the following Service Procedure for details.
SERVICE PROCEDURE
REMOVAL
Disconnect the battery negative leads from all batteries.
NOTE: COMPONENTS INSTALLED BY FINAL STAGE VENDORS ARE NOT INCLUDED. REMOVE THOSE COMPONENTS AS NECESSARY TO CHANGE THE A/C, P/S AND V/P BRACKETS.
Remove the air intake tube on F-Series. Also, reduce coolant and remove the radiator top water hose.
Remove the fan, clutch and shroud (LH thread on fan clutch nut). Use Fan Clutch Pulley Holder T83T-6312-A and Fan Clutch Nut Wrench T83T-6312-B.
Remove the belt from the tensioner and discard.
Remove the vacuum pump and power steering pulleys using Steering Pump Pulley Remover T69L-10300-B.
Remove the A/C compressor, vacuum pump and power steering pump from the bracket.
NOTE: IT SHOULD NOT BE NECESSARY TO BREAK ANY HOSE CONNECTIONS.
Remove the bracket, tensioner and routing idler from the cylinder head.
INSTALLATION
Install the A/C-P/S-V/P bracket (F4TZ-19E708-D) to the cylinder head. Tighten the three (3) fasteners to 47.5 N-m ±7.2 N-m (35 lb-ft ±5 lb-ft). Refer to Figure 1.
Figure 1 - Article 95-5-22
Install the tensioner (F4TZ-6B209-C) using the T50 Torx bit and tighten to 62 N-m ±9.4 N-m (46 lb-ft ±7 lb-ft). The sub-bracket is attached to the flange on the main bracket adjacent to the vacuum pump location. Use two (2) new bolts (N605906-S2) and nuts (N620481-S2) and torque to 27 N-m ±4 N-m (20 lb-ft ±3 lb-ft).
NOTE: THE TENSIONER LOCATING PEG MUST BE IN THE BRACKET HOLE BEFORE TIGHTENING THE TORX BOLT.
Reinstall the vacuum pump. Tighten the three (3) bolts with a 10mm socket to 27.5 N-m ±4.2 N-m (20 lb-ft ±3 lb-ft).
Reinstall the power steering pump. Tighten the three (3) bolts with a 17mm socket to 47.5 N-m ±7.2 N-m (35 lb-ft ±5 lb-ft).
Reinstall the A/C or non-A/C idler pulley and torque to 27.8 N-m ±4.2 N-m (20 lb-ft ±3 lb-ft).
Reinstall the belt routing idler and torque to 55 N-m ±8.3 N-m (40 lb-ft ±5 lb-ft).
NOTE: VERIFY THAT THE PULLEY IS CROWNED: F4TZ-8678-A. REFER TO FIGURE 1.
Reinstall the vacuum pump and power steering pulleys so that the pulley hub is flush to the end of the shaft . ±0.10" (. ±0.25 cm). Use Steering Pump Pulley Replacer T65P-3A733-C.
Verify assembly sequence of Navistar shims (E3TZ-6B306-A) 0.090" (2.3mm) at crankshaft-water pump pulleys, refer to Figure 2. The preferred assembly is with a pulley ring (E3TZ-6B306-A) in front and in back of the crank pulley and the spacer plate in front of the water pump pulley, only. Tighten to 32.5 N-m ±3 N-m (24 lb-ft ±2 lb-ft).
Figure 2 - Article 95-5-22
Install the new rubber-backed belt (F4TZ-8620-T, with 130 AMP generator; F4TZ-8620-L, with 165 AMP L/N generator) according to the belt routing decal.
Loosely route the belt over all pulleys except the routing idler. Refer to Figure 2.
Assure that the belt fits correctly in all grooved pulleys.
Swing the tensioner to the installed position and slip the belt over the routing idler.
Reinspect the belt fit on all pulleys.
Reinstall the fan/clutch and shroud using Fan Clutch Pulley Holder T83T-6312-A and Fan Clutch Nut Wrench T83T-6312-B.
Tighten clutch nut to 133 N-m ±20 N-m (98 lb-ft ±15 lb-ft).
Tighten the four (4) shroud bolts to 6.5 N-m ±1.5 N-m (5 lb-ft ±1 lb-ft).
Resecure the top water hose. Tighten to 3.73 N-m ±.61 N-m (33 lb-in ±5 lb-in).
Reinstall air intake tubes. Tighten to 9.0 N-m ±1.4 N-m (80 lb-in ±12 lb-in).
Service the coolant system.
FEAD ALIGNMENT PROCEDURE
ITEM PROCEDURE
Check water pump pulley diameter and fan clutch. The correct water pump pulley is stamped 1816349C1 on the front of the pulley under the reinforcing spacer. Some vehicles built from 8/93 through 11/93 had a smaller pulley that prevents the tensioner from operating in range. (Ref. ONP 93B34). Turbo fan clutches should have F3TA-HA stamped on the flat of the clutch nut. If you have an F4TA-HA, replace it with an F3TA-HA. Naturally aspirated should have F2TA-JA stamped on the flat of the clutch nut. NOTE: BIMETAL IS IN THE FRONT COVER NOTCH SO THAT IT IS OPERATIONAL. SYSTEMS WITH INOPERATIONAL BIMETALS ARE OVERSTRESSED.
Check that the belt is fully supported on the routing idler and tensioner idler. Changes in the belt tracking are made by adding crankshaft shims from Shim Kit (F2TZ-6B306-E) to the reinforcing plate to move the belt forward. Replacing the plate with shims moves the belt back as it enters the idler pulley. Ensure fan pulley spacer is mounted in front of the pulley, see Figure 1. NOTE: There is no plate behind the water pump pulley.
Both idler pulleys may adversely affect belt tracking if symmetrically worn. If the idler pulley diameter is less at one (1) edge than the other, replace it with a new Idler Pulley (F4TZ-8678-A).
To minimize recurrence, replace the belt with a rubber-backed belt (F4TZ-8620-T for the 130 amp generator or F4TZ-8620-L for the ambulance prep pachage application [165A L/N Alt.]).
Check the generator bracket for
mis-build. For vehicles with 130 amp generators: the prefix F3TA is visible on the bottom of the generator bracket on F-Series vehicles, F3UA is visible on the bottom of the generator bracket on Econoline vehicles. Refer to Figure 2.
F3TA parts are shorter than F3UA parts and rely on a fuel filter bracket to locate the generator correctly in the sheave. Incorrect combinations result in the belt mistracking at the A/C compressor.
Check the generator bracket for spacers. For vehicles with 165 amp L/N (Ambulance Prep Pkg.): E4TA for F-Series; E4UA for Econoline generator bracket. Additionally, three (3) spacers separate the bracket from the cylinder head or fuel filter bracket. They are the same for both applications.
Replace the spacers if missing. See Figure 2.
A stamped steel sub-bracket attaches in back of the mounting tab at the top of the generator. Verify that it is not in front of the generator mounting tab. Replace the sub-bracket if it was misinstalled.
Verify that the vacuum pump pulley hub is flush with the end of the pump shaft.
FEAD ALIGNMENT PROCEDURE
ITEM PROCEDURE
Verify that the A/C compressor is correctly aligned. Measure the mounting bolt boss height. The correct boss height is 93mm. If the height is 83mm, then replacement of the compressor is necessary. The bolt torque is 27.5 N-m (20.3 lb-ft).
Compressor clutch pulleys may be forward of design position. Loosen the four (4) M-8 fasteners and push the compressor rearward to correct. A stra ightedge across the generator and A/C pulleys helps to prevent skew to the sheaveline. See Figure 3.
Rapid engine decelerations. A belt (F4TZ-8620-T) for the 130 amp generator, and a longer belt (F4TZ-8620-L) for the 165 amp L/N generator ambulance package reduces these tracking issues. See Figure 1.
Smooth operation of the throttle during the first five (5) minutes after initial startup will permit the cooling fan clutch to decouple "morning sickness" and reduce FEAD decel activity.
Loading the power steering pump to bypass mode during these decels is not a recommended vehicle operating practice.
Figure 3 - Article 95-5-22
PART NUMBER PART NAME
F4TZ-6B209-C Tensioner
F4TZ-19E708-D A/C-P/S-V/P Bracket (For 1992/93 Model Years)
N605906-S2 Bolt
N620481-S2 Nut
THE FOLLOWING PARTS SHOULD BE PURCHASED ONLY IF FEAD BELT ALIGNMENT IS REQUIRED:
PART NUMBER PART NAME
F4TZ-8678-A Idler Pulley
F4TZ-8620-T Drive Belt (130 Amp Generator)
F4TZ-8620-L Drive Belt (165 Amp L/N Generator - 1994 Models)
F2TZ-6B306-E Shim Kit
E3TZ-6B306-A Shim (0.090")
OTHER APPLICABLE ARTICLES:
NONE
SUPERSEDES:
94-14-13
WARRANTY STATUS:
Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage
OPERATION DESCRIPTION TIME
950522A Perform Diagnostics, Replace Power Steering Bracket, Drive Belt, Crowned Routing Idler And Add Fan Pulley Spacer If Missing - F-Series 1.8 Hrs.
950522B Perform Diagnostics, Replace Drive Belt, Crowned Routing Idler And Add Fan Pulley Spacer If Missing - F-Series 1.4 Hrs.
950522C Perform Diagnostics, Replace Power Steering Bracket, Drive Belt, Crowned Routing Idler And Add Fan Pulley Spacer If Missing - E-Series 2.3 Hrs.
950522D Perform Diagnostics, Replace Drive Belt, Crowned Routing Idler And Add Fan Pulley Spacer If Missing - Econoline 1.9 Hrs.
950522E Additional Time To Replace Generator Bracket Or Add Shims As Required - F-Series 0.3 Hr.
950522F Additional Time To Replace Generator Bracket Or Add Shims As Required - E-Series 0.4 Hr.
950522G Additional Time To Correct Belt Tracking - F-Series 0.3 Hr.
950522H Additional Time To Correct Belt Tracking - E-Series 0.4 Hr.
950522I Additional Time To Replace Air Conditioning Compressor - E/F-Series 1.1 Hrs.
950522J Additional Time To Correct Vacuum Pump Pulley Press On Shaft - E/F-Series 0.1 Hr.
DEALER CODING
BASIC PART NO. CONDITION CODE
8678 36
OASIS CODES:
206000, 301000, 303000, 497000
........................................
i didn't do this to mine.i put the gates one on mine and she's been issue free.
not sure what type of trouble your having with it clearing.i don't recall such a hassle.been a while now though.
to get it back out,pull the pulley off first of course.then use a torx on a 1/2 drive.make sure its the right size,and press inward like you mean it while turning your ratchet to loosen so it doesn't strip anymore.if that doesn't work,you'll need to improvise.sounds like you over tightened it.
95-5-22 ACCESSORY DRIVE BELTS - ALL 7.3L IDI DIESELS - COME OFF ACCESSORY DRIVE PULLEYS - VEHICLES BUILT AFTER 2/15/92
ENGINE - ALL 7.3L IDI DIESELS - FRONT END ACCESSORY DRIVE MISALIGNMENT - FEAD BELT TRACKING ISSUES - VEHICLES BUILT AFTER 2/15/92
Publication Date: MARCH 13, 1995
LIGHT TRUCK: 1992-1994 ECONOLINE, F-250, F-350, F-47
This TSB article is being republished in its entirety to include the latest level parts and to update the service procedure.
ISSUE:
Some diesel-powered vehicles are experiencing drive belt tracking concerns. This is caused by Front End Accessory Drive (FEAD) misalignment, which may result in the belt coming off the accessory drive pulleys. If this occurs, several warning lights will illuminate and the vehicle will lose generator and A/C function and water pump circulation. In addition, steering efforts will increase and, after one or a few brake applications, brake efforts will progressively increase.
ACTION:
Check and align the FEAD. Replace worn pulleys, A/C-P/S-V/P (air conditioner - power steering - vacuum pump) bracket and tensioner and install rubber-backed belts. Refer to the following Service Procedure for details.
SERVICE PROCEDURE
REMOVAL
Disconnect the battery negative leads from all batteries.
NOTE: COMPONENTS INSTALLED BY FINAL STAGE VENDORS ARE NOT INCLUDED. REMOVE THOSE COMPONENTS AS NECESSARY TO CHANGE THE A/C, P/S AND V/P BRACKETS.
Remove the air intake tube on F-Series. Also, reduce coolant and remove the radiator top water hose.
Remove the fan, clutch and shroud (LH thread on fan clutch nut). Use Fan Clutch Pulley Holder T83T-6312-A and Fan Clutch Nut Wrench T83T-6312-B.
Remove the belt from the tensioner and discard.
Remove the vacuum pump and power steering pulleys using Steering Pump Pulley Remover T69L-10300-B.
Remove the A/C compressor, vacuum pump and power steering pump from the bracket.
NOTE: IT SHOULD NOT BE NECESSARY TO BREAK ANY HOSE CONNECTIONS.
Remove the bracket, tensioner and routing idler from the cylinder head.
INSTALLATION
Install the A/C-P/S-V/P bracket (F4TZ-19E708-D) to the cylinder head. Tighten the three (3) fasteners to 47.5 N-m ±7.2 N-m (35 lb-ft ±5 lb-ft). Refer to Figure 1.
Figure 1 - Article 95-5-22
Install the tensioner (F4TZ-6B209-C) using the T50 Torx bit and tighten to 62 N-m ±9.4 N-m (46 lb-ft ±7 lb-ft). The sub-bracket is attached to the flange on the main bracket adjacent to the vacuum pump location. Use two (2) new bolts (N605906-S2) and nuts (N620481-S2) and torque to 27 N-m ±4 N-m (20 lb-ft ±3 lb-ft).
NOTE: THE TENSIONER LOCATING PEG MUST BE IN THE BRACKET HOLE BEFORE TIGHTENING THE TORX BOLT.
Reinstall the vacuum pump. Tighten the three (3) bolts with a 10mm socket to 27.5 N-m ±4.2 N-m (20 lb-ft ±3 lb-ft).
Reinstall the power steering pump. Tighten the three (3) bolts with a 17mm socket to 47.5 N-m ±7.2 N-m (35 lb-ft ±5 lb-ft).
Reinstall the A/C or non-A/C idler pulley and torque to 27.8 N-m ±4.2 N-m (20 lb-ft ±3 lb-ft).
Reinstall the belt routing idler and torque to 55 N-m ±8.3 N-m (40 lb-ft ±5 lb-ft).
NOTE: VERIFY THAT THE PULLEY IS CROWNED: F4TZ-8678-A. REFER TO FIGURE 1.
Reinstall the vacuum pump and power steering pulleys so that the pulley hub is flush to the end of the shaft . ±0.10" (. ±0.25 cm). Use Steering Pump Pulley Replacer T65P-3A733-C.
Verify assembly sequence of Navistar shims (E3TZ-6B306-A) 0.090" (2.3mm) at crankshaft-water pump pulleys, refer to Figure 2. The preferred assembly is with a pulley ring (E3TZ-6B306-A) in front and in back of the crank pulley and the spacer plate in front of the water pump pulley, only. Tighten to 32.5 N-m ±3 N-m (24 lb-ft ±2 lb-ft).
Figure 2 - Article 95-5-22
Install the new rubber-backed belt (F4TZ-8620-T, with 130 AMP generator; F4TZ-8620-L, with 165 AMP L/N generator) according to the belt routing decal.
Loosely route the belt over all pulleys except the routing idler. Refer to Figure 2.
Assure that the belt fits correctly in all grooved pulleys.
Swing the tensioner to the installed position and slip the belt over the routing idler.
Reinspect the belt fit on all pulleys.
Reinstall the fan/clutch and shroud using Fan Clutch Pulley Holder T83T-6312-A and Fan Clutch Nut Wrench T83T-6312-B.
Tighten clutch nut to 133 N-m ±20 N-m (98 lb-ft ±15 lb-ft).
Tighten the four (4) shroud bolts to 6.5 N-m ±1.5 N-m (5 lb-ft ±1 lb-ft).
Resecure the top water hose. Tighten to 3.73 N-m ±.61 N-m (33 lb-in ±5 lb-in).
Reinstall air intake tubes. Tighten to 9.0 N-m ±1.4 N-m (80 lb-in ±12 lb-in).
Service the coolant system.
FEAD ALIGNMENT PROCEDURE
ITEM PROCEDURE
Check water pump pulley diameter and fan clutch. The correct water pump pulley is stamped 1816349C1 on the front of the pulley under the reinforcing spacer. Some vehicles built from 8/93 through 11/93 had a smaller pulley that prevents the tensioner from operating in range. (Ref. ONP 93B34). Turbo fan clutches should have F3TA-HA stamped on the flat of the clutch nut. If you have an F4TA-HA, replace it with an F3TA-HA. Naturally aspirated should have F2TA-JA stamped on the flat of the clutch nut. NOTE: BIMETAL IS IN THE FRONT COVER NOTCH SO THAT IT IS OPERATIONAL. SYSTEMS WITH INOPERATIONAL BIMETALS ARE OVERSTRESSED.
Check that the belt is fully supported on the routing idler and tensioner idler. Changes in the belt tracking are made by adding crankshaft shims from Shim Kit (F2TZ-6B306-E) to the reinforcing plate to move the belt forward. Replacing the plate with shims moves the belt back as it enters the idler pulley. Ensure fan pulley spacer is mounted in front of the pulley, see Figure 1. NOTE: There is no plate behind the water pump pulley.
Both idler pulleys may adversely affect belt tracking if symmetrically worn. If the idler pulley diameter is less at one (1) edge than the other, replace it with a new Idler Pulley (F4TZ-8678-A).
To minimize recurrence, replace the belt with a rubber-backed belt (F4TZ-8620-T for the 130 amp generator or F4TZ-8620-L for the ambulance prep pachage application [165A L/N Alt.]).
Check the generator bracket for
mis-build. For vehicles with 130 amp generators: the prefix F3TA is visible on the bottom of the generator bracket on F-Series vehicles, F3UA is visible on the bottom of the generator bracket on Econoline vehicles. Refer to Figure 2.
F3TA parts are shorter than F3UA parts and rely on a fuel filter bracket to locate the generator correctly in the sheave. Incorrect combinations result in the belt mistracking at the A/C compressor.
Check the generator bracket for spacers. For vehicles with 165 amp L/N (Ambulance Prep Pkg.): E4TA for F-Series; E4UA for Econoline generator bracket. Additionally, three (3) spacers separate the bracket from the cylinder head or fuel filter bracket. They are the same for both applications.
Replace the spacers if missing. See Figure 2.
A stamped steel sub-bracket attaches in back of the mounting tab at the top of the generator. Verify that it is not in front of the generator mounting tab. Replace the sub-bracket if it was misinstalled.
Verify that the vacuum pump pulley hub is flush with the end of the pump shaft.
FEAD ALIGNMENT PROCEDURE
ITEM PROCEDURE
Verify that the A/C compressor is correctly aligned. Measure the mounting bolt boss height. The correct boss height is 93mm. If the height is 83mm, then replacement of the compressor is necessary. The bolt torque is 27.5 N-m (20.3 lb-ft).
Compressor clutch pulleys may be forward of design position. Loosen the four (4) M-8 fasteners and push the compressor rearward to correct. A stra ightedge across the generator and A/C pulleys helps to prevent skew to the sheaveline. See Figure 3.
Rapid engine decelerations. A belt (F4TZ-8620-T) for the 130 amp generator, and a longer belt (F4TZ-8620-L) for the 165 amp L/N generator ambulance package reduces these tracking issues. See Figure 1.
Smooth operation of the throttle during the first five (5) minutes after initial startup will permit the cooling fan clutch to decouple "morning sickness" and reduce FEAD decel activity.
Loading the power steering pump to bypass mode during these decels is not a recommended vehicle operating practice.
Figure 3 - Article 95-5-22
PART NUMBER PART NAME
F4TZ-6B209-C Tensioner
F4TZ-19E708-D A/C-P/S-V/P Bracket (For 1992/93 Model Years)
N605906-S2 Bolt
N620481-S2 Nut
THE FOLLOWING PARTS SHOULD BE PURCHASED ONLY IF FEAD BELT ALIGNMENT IS REQUIRED:
PART NUMBER PART NAME
F4TZ-8678-A Idler Pulley
F4TZ-8620-T Drive Belt (130 Amp Generator)
F4TZ-8620-L Drive Belt (165 Amp L/N Generator - 1994 Models)
F2TZ-6B306-E Shim Kit
E3TZ-6B306-A Shim (0.090")
OTHER APPLICABLE ARTICLES:
NONE
SUPERSEDES:
94-14-13
WARRANTY STATUS:
Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage
OPERATION DESCRIPTION TIME
950522A Perform Diagnostics, Replace Power Steering Bracket, Drive Belt, Crowned Routing Idler And Add Fan Pulley Spacer If Missing - F-Series 1.8 Hrs.
950522B Perform Diagnostics, Replace Drive Belt, Crowned Routing Idler And Add Fan Pulley Spacer If Missing - F-Series 1.4 Hrs.
950522C Perform Diagnostics, Replace Power Steering Bracket, Drive Belt, Crowned Routing Idler And Add Fan Pulley Spacer If Missing - E-Series 2.3 Hrs.
950522D Perform Diagnostics, Replace Drive Belt, Crowned Routing Idler And Add Fan Pulley Spacer If Missing - Econoline 1.9 Hrs.
950522E Additional Time To Replace Generator Bracket Or Add Shims As Required - F-Series 0.3 Hr.
950522F Additional Time To Replace Generator Bracket Or Add Shims As Required - E-Series 0.4 Hr.
950522G Additional Time To Correct Belt Tracking - F-Series 0.3 Hr.
950522H Additional Time To Correct Belt Tracking - E-Series 0.4 Hr.
950522I Additional Time To Replace Air Conditioning Compressor - E/F-Series 1.1 Hrs.
950522J Additional Time To Correct Vacuum Pump Pulley Press On Shaft - E/F-Series 0.1 Hr.
DEALER CODING
BASIC PART NO. CONDITION CODE
8678 36
OASIS CODES:
206000, 301000, 303000, 497000
........................................
i didn't do this to mine.i put the gates one on mine and she's been issue free.
not sure what type of trouble your having with it clearing.i don't recall such a hassle.been a while now though.
to get it back out,pull the pulley off first of course.then use a torx on a 1/2 drive.make sure its the right size,and press inward like you mean it while turning your ratchet to loosen so it doesn't strip anymore.if that doesn't work,you'll need to improvise.sounds like you over tightened it.
#5
04-25-2012, 10:33 PM
Post Fiend
Join Date: Jul 2006
Location: Wabanaki Indian Territory
Posts: 18,724
Likes: 0
Received 37 Likes
on
31 Posts
check this out.scroll all the way to the bottom:
Ford diesel 6.9 7.3 IDI
Front End Accessory Drive (FEAD) belt and tensioner application
"Serpentine" belt-equiped engines
Standard F-series and E-van with 130 amp alternator:
92 and 93 with "cassette" type tensioner; TORX-head retaining bolt
Belt--F5TZ-8620-CB; Tensioner--F2TZ-6B209-D
92-94 with "damped" type tensioner; 13mm-head retaining bolt
Belt--F4TZ-8620-T; Tensioner--F4TZ-6B209-A
92-94 with "shock" type tensioner
Belt--F4TZ-8620-T; Tesioner--F4TZ-6B209-C
All above should have belt guide F5TZ-8680-AA installed on vacuum pump.
92-94 Ambulance package and school bus with 130 amp alternator:
Should have Recall 96B83 update kit F5PZ-8A630-BA installed; "shock" type tensioner
Belt--F4TZ-8620-T; Tensioner--F4TZ-6B209-C
92-94 Ambulance package and school bus with 160 amp alternator:
Should have Recall 96B83 update kit F5TZ-8A630-AA installed; "shock" type tensioner
Belt--F4TZ-8620-L; Tensioner--F4TZ-6B209-C
All vehicles listed use flanged idler pulley F5TZ-8687-BA
The correct belt fits tight. To install it will be necessary to remove the outboard alternator bolts, loosen the inboard bolt and pivot the alternator to slip the the belt over the pulley while holding the tensioner against its stop. Install and tighten the alternator bolts before releasing the tensioner.
Ford diesel 6.9 7.3 IDI
Front End Accessory Drive (FEAD) belt and tensioner application
"Serpentine" belt-equiped engines
Standard F-series and E-van with 130 amp alternator:
92 and 93 with "cassette" type tensioner; TORX-head retaining bolt
Belt--F5TZ-8620-CB; Tensioner--F2TZ-6B209-D
92-94 with "damped" type tensioner; 13mm-head retaining bolt
Belt--F4TZ-8620-T; Tensioner--F4TZ-6B209-A
92-94 with "shock" type tensioner
Belt--F4TZ-8620-T; Tesioner--F4TZ-6B209-C
All above should have belt guide F5TZ-8680-AA installed on vacuum pump.
92-94 Ambulance package and school bus with 130 amp alternator:
Should have Recall 96B83 update kit F5PZ-8A630-BA installed; "shock" type tensioner
Belt--F4TZ-8620-T; Tensioner--F4TZ-6B209-C
92-94 Ambulance package and school bus with 160 amp alternator:
Should have Recall 96B83 update kit F5TZ-8A630-AA installed; "shock" type tensioner
Belt--F4TZ-8620-L; Tensioner--F4TZ-6B209-C
All vehicles listed use flanged idler pulley F5TZ-8687-BA
The correct belt fits tight. To install it will be necessary to remove the outboard alternator bolts, loosen the inboard bolt and pivot the alternator to slip the the belt over the pulley while holding the tensioner against its stop. Install and tighten the alternator bolts before releasing the tensioner.
#7
04-27-2012, 06:40 AM
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#8
04-28-2012, 05:22 PM
Well this is looking to turn into an all weekend project. I ended up taking out the radiator so I could get to things and broke a torx socket trying to get it out with an impact wrench ( I knew I shouldn't have tried it but oh well). Gonna put some heat to it and try again with a socket rather than just break another one.
Am I wrong thinking that it is standard threaded? I did a google search and read that it was but you never know. I'm just about ready to just cut the pulley in half with my grinder...
Am I wrong thinking that it is standard threaded? I did a google search and read that it was but you never know. I'm just about ready to just cut the pulley in half with my grinder...
#11
04-28-2012, 07:48 PM
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PAN
Pre-Power Stroke Diesel (7.3L IDI & 6.9L)
15
12-02-2004 07:00 PM
kinnja
Small Block V8 (221, 260, 289, 5.0/302, 5.8/351W)
4
09-03-2004 12:27 AM
