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1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

Shift issues, its crunching.

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Old Jun 19, 2006 | 12:53 PM
  #1  
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Shift issues, its crunching.

Recently i have had to use alot of force to put it into gear, i have a 3 spd on the floor. i have to force it in, and when i force it in it crunches, and if done slowly grinds,

i have an old shifter which im pretty sure is worn out and it is sloppy and loose.

also my clutch is almost gone im thinking. its all the way out on the Clutch rod, i have it all the way adjusted to the end . and the pedal has to go down quite a distance before it starts working the clutch.

how do i adjust the shofter to tighten it up?

and could the bad clutch not be ingaging fully so that when i try and put it in gear it crunches because its still slightly engaged?


I need to fix this as soon as possible, right now im not driving it, but i have to move it forwards and backwards on a daily basess. and i dont want to be crunchign inbetween 1st and reverse
 
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Old Jun 19, 2006 | 01:39 PM
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Yes the clutch not completely disengaging will cause the gears to grind when shifting. If you have the clutch rod adjusted all the way out and the clutch is still not completely disengaging check all of your clutch linkage for wear. Alot of slop here will use up your adjustment range on the clutch release rod. Generally as the clutch wears out the freeplay will decrease and the chlutch will begin to slip. As the linkage parts wear the freeplay increase and the clutch will not disengage. If the linkage is all good then the pilot bearing may be the problem wich requires you remove the clutch anyway. You can buy a complete clutch kit that includes all the parts to do the job right all you have to do extra is michine the flywheel.
 
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Old Jun 19, 2006 | 02:09 PM
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FIX your cab MOUNTS

Number one cause of clutch issues.

Garbz
 
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Old Jun 19, 2006 | 04:42 PM
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I never thought of that. Stands to reason as the cab settles clutch pedal travel gets shorter.
 
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Old Jun 19, 2006 | 05:44 PM
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Not to hijack, but...Garbz, would the cab mounts cause a symptom like clutch chatter? I'm planning on replacing mine anyway but am curious.
 
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Old Jun 19, 2006 | 07:27 PM
  #6  
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I concur with Garbz. . . . .
Magee, FWIW
Bad Big end bushings in the rear leaf springs = clutch chatter, Even with brandy new clutch disc & Pr. Plate, "throwaway brg", & re surfaced flywheel.

Just like cab & engine mounts, or equalizer bellcrank bushings, cause no more adjustment in clutch linkage. . .

And then he put the new bushings in the rear spring Big Ends and now he can "slide smoothly away" likeit was an A/T, even on hills in traffic, srom a stop. . . .

Ask any clutch rebuilder like Arrow or NAPA or Fred Jones etc.

your welcome. . . .

FBp
 
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Old Jun 19, 2006 | 11:47 PM
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Originally Posted by FordBoypete
I concur with Garbz. . . . .
Magee, FWIW
Bad Big end bushings in the rear leaf springs = clutch chatter, Even with brandy new clutch disc & Pr. Plate, "throwaway brg", & re surfaced flywheel.

Just like cab & engine mounts, or equalizer bellcrank bushings, cause no more adjustment in clutch linkage. . .

And then he put the new bushings in the rear spring Big Ends and now he can "slide smoothly away" likeit was an A/T, even on hills in traffic, srom a stop. . . .

Ask any clutch rebuilder like Arrow or NAPA or Fred Jones etc.

your welcome. . . .

FBp

Clutch chatter? when in reverse as soon as the revs go low and im not slipping the clutch alot the whoel back end starts jerking liek crazy. also when in low rpms in 2nd or 3rd gear it sometimes does that.

also my front floor mounts are comepletely gone could that be why at all?

im still not quite sure whats wrong
 
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Old Jun 20, 2006 | 06:39 AM
  #8  
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Yep front sagging cab mounts and rear leaf mounts... Way back high school i had a 63 short bed uni with a 223 3 speed and 32 K on the odometer.. the thing would shudder and about jump off of the frame rails. Put in a new clutch disc,flywheel, pressureplate, pilot bearing and throwout... Still did it... hey i was young then and knew everything... Well the brother in law came over and found out the cab mounts had sagged through rot. Fixed the mounts and she worked like a charm.. too bad i had to cut the truck up for scrap with 51 K on her.... We had it stored in a shed form 81 till 98 and the roof leaked on the truck.. wiped her out...


Garbz
 

Last edited by garbz2; Jun 20, 2006 at 06:44 AM.
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Old Jun 20, 2006 | 07:40 AM
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One more consideration on long wheelbase trucks. Two piece drive shafts have a support bearing that sometimes will cause the drive shaft to flop around.
 
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Old Jun 20, 2006 | 07:45 AM
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Thanks, FBp. I guess that I have one more project to add to the list.
 
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