No o/d
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Elder User
Joined: Jan 2004
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No o/d
I bought this truck intended for a winter commute beater. I knew it had some problems but I couldn't pass it up as it has less than 9,000 miles on the freshly installed remanufactured engine.
1999
3.0 Flex
4x4
Anyhow, the o/d doesn't work. The o/d light will come on when pushing the plunger at the end of the control. I get no o/d flashing signals. But the damn thing wraps out @ 3500 rpms on the highway @ 65mph.
Anything specific to look for in trying to figure this out?
TIA
1999
3.0 Flex
4x4
Anyhow, the o/d doesn't work. The o/d light will come on when pushing the plunger at the end of the control. I get no o/d flashing signals. But the damn thing wraps out @ 3500 rpms on the highway @ 65mph.
Anything specific to look for in trying to figure this out?
TIA
Logistics Pro
Joined: Jan 2002
Posts: 4,907
Likes: 39
From: suburban atlanta
Things that prevent OD: 1)broken planetary gearset 2) broken band 3)band strut dropped 4)servo stuck/broken or unsealed 5)valve body/solenoid 6)BOBO switch 7)speed sensor. Off the top of my head.
tom
tom
Moderator
Joined: Jan 2004
Posts: 13,851
Likes: 111
From: SW Va
Sounds like Shift Solenoid 3 (SS3), its electrical connector, contacts & wiring, belongs on your suspect list. Consider having a trusted tranny shop scan the tranny computer for trouble codes, as they can offer up good trouble shooting clues & post All trouble code numbers found.
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Elder User
Joined: Jan 2004
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From the receipt:
Master Kit
Torque Converter
EPC Solenoid
Input Sensor
Filter
2- Bands
2- Servos
VB Kit
MLP
Solenoid
Bushing Kit
Total: $1,991.65
Master Kit
Torque Converter
EPC Solenoid
Input Sensor
Filter
2- Bands
2- Servos
VB Kit
MLP
Solenoid
Bushing Kit
Total: $1,991.65
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Moderator
Joined: Jan 2004
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From: SW Va
Tranny Codes won't be in the engine computer, they'll be in the tranny computer & you'll need a high end scantool to extract them, a parts store code reader, or scantool won't likely be able to pull all tranny codes. Is the blue OD light flashing???
Logistics Pro
Joined: Jan 2002
Posts: 4,907
Likes: 39
From: suburban atlanta
If it has cruise control, does it work?
Can you feel the torque converter lockup in 3rd gear?
Can you see the rpm increase if you tap on the brake pedal enough to turn on the brake lights, not enough to apply the brakes?
Is the fluid level correct? Does it have a bad odor? Have you looked at all the linkage on the side of the transmission? If it has a 'kickdown' cable or lever is it installed correctly?
You did not even give the clue that the unit had been repaired, much less recently. Try to provide more information.
Can you feel the torque converter lockup in 3rd gear?
Can you see the rpm increase if you tap on the brake pedal enough to turn on the brake lights, not enough to apply the brakes?
Is the fluid level correct? Does it have a bad odor? Have you looked at all the linkage on the side of the transmission? If it has a 'kickdown' cable or lever is it installed correctly?
You did not even give the clue that the unit had been repaired, much less recently. Try to provide more information.
Thread Starter
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Elder User
Joined: Jan 2004
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Cruise control does indeed work
Can't really feel it lock up, but it certainly doesn't shift into o/d when I let off the pedal @ 70mph
Can't see the rpm increase with a slight tap of the brake
Fluids are good...no smell and just slightly low.
I have never checked the linkage, I am too afraid of not knowing what I am looking at.
I apologize for not saying it has been rebuilt 2x's, got in a hurry when posting.
It was rebuilt originally @ 103,000 miles, and again (for the no O/D issue) @ 152,000 (April of 2012). It now has 163,000 miles
Can't really feel it lock up, but it certainly doesn't shift into o/d when I let off the pedal @ 70mph
Can't see the rpm increase with a slight tap of the brake
Fluids are good...no smell and just slightly low.
I have never checked the linkage, I am too afraid of not knowing what I am looking at.
I apologize for not saying it has been rebuilt 2x's, got in a hurry when posting.
It was rebuilt originally @ 103,000 miles, and again (for the no O/D issue) @ 152,000 (April of 2012). It now has 163,000 miles