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Old 07-02-2013, 08:51 PM   #1
Dick Deegan
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Default Pressure Plate Adjustment Bolts

I am in the process of attempting to adjust the fingers on my pressure plate in the car to hopefully eliminate some chattering.

I find that the adjusting bolts (the ones with the deep slots) turn with the adjusting nuts.

Should these adjusting bolts be turned in tight and then the adjustment made with the adjusting nuts?

Dick
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Old 07-02-2013, 09:28 PM   #2
Tom Wesenberg
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Default Re: Pressure Plate Adjustment Bolts

Chances are the nuts have been upset into the slots of the screws. I'm not sure how you will remove the upsets to turn the nuts. If it was out of the car then I use a hacksaw to cut the upsets.
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Old 07-03-2013, 08:26 PM   #3
Dick Deegan
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Default Re: Pressure Plate Adjustment Bolts

Tom, I can turn the nuts independent of the adjusting bolts. I am just wondering if the bolts should be turned in tight before doing the adjustment with the nuts.

Again, thanks for your reply.

Dick
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Old 07-03-2013, 08:57 PM   #4
Tom Wesenberg
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Default Re: Pressure Plate Adjustment Bolts

Quote:
Originally Posted by Dick Deegan View Post
Tom, I can turn the nuts independent of the adjusting bolts. I am just wondering if the bolts should be turned in tight before doing the adjustment with the nuts.

Again, thanks for your reply.

Dick
I'm not sure what you mean by turned in tight, as the bolt heads set in pockets, and many times spin when I try to turn the nuts.
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Old 07-03-2013, 09:46 PM   #5
MAG
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Default Re: Pressure Plate Adjustment Bolts

As Tom says "as the bolt heads set in pockets". The bolts do not tighten into anything. They only hold the adjusting nuts and related items in place. If you want some very complete information about Model A Clutches click on the attached.

http://www.ahooga.com/notebook/howto/1/howto1.shtml
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Old 07-03-2013, 10:52 PM   #6
Tom Endy
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Default Re: Pressure Plate Adjustment Bolts

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You need to get in there with both hands. Both the stud and the nut will turn freely it you just turn either one. Put a box wrench on the nut and hold it from turning and turn the stud with a screw driver. This will cause the clutch finger to move fore and aft. With your other two hands lay something flat across the back of the pressure plate and measure with a scale the distance from the flat to the finger and adjust each to a nominal 5\8".

It is not a fun job when installed in the car, much easier on the work bench, but it can be done. Take your time and get each one the same.

Tom Endy
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Old 07-04-2013, 07:14 AM   #7
Dick Deegan
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Default Re: Pressure Plate Adjustment Bolts

Thanks all for responding. As usual great advice. I mistakenly thought that the adjusting bolts were screwed into the face plate, but I see on the description on the ahooga page that they simply rest in pockets on the face plate as stated by Tom. I will adjust according to Tom Endy's procedure and then stake the nuts after the adjustment.

Again thanks for clearing this up for me.

Dick
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Old 07-04-2013, 11:31 AM   #8
Cape Codder
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Default Re: Pressure Plate Adjustment Bolts

Dick,
I have just recently adjusted my Pressure Plate (removed from car) and did not re-stake nuts but used Lock-tight on each treaded bolt. Incidentally, Lock-tight makes a product to put on after the fact, such as you doing the adjusting versus putting on prior to installing the nut. Hope that makes sense.
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Old 07-04-2013, 02:04 PM   #9
Dick Deegan
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Default Re: Pressure Plate Adjustment Bolts

Cape Codder;

Thanks for that. I will go to the Lock Tite web site and try and find that product. Do you know a number or what it's called?

Dick
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Old 07-04-2013, 02:37 PM   #10
Cape Codder
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Default Re: Pressure Plate Adjustment Bolts

Dick,

Yes, it is called Penetrating Grade THREADLOCKER GREEN.
ITEM # IS 765-1148 A NAPA/Permatex number.

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Old 07-04-2013, 06:10 PM   #11
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Default Re: Pressure Plate Adjustment Bolts

Thanks Cape Codder
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