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Username Post: front pinion bearing retainer screw        (Topic#278336)
porters 
Contributor
Posts: 125

Loc: minnesota
Reg: 09-21-10
03-20-12 11:00 AM - Post#2205113    

On page 4-2 of the shop manual #7 in the diagram it says front pinion bearing retainer screw. What does it do and how is it adjusted? Is it a trial error kind of a deal or is it some kind of a sophisticated way to set it up?

 
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Allan In NE 
Frequent Contributor
Posts: 1583

Reg: 12-27-11
03-20-12 11:47 AM - Post#2205129    
    In response to porters

Guess it would depend on what your're working on.

Allan
Lifelong GM automatic transmission specialist


 
porters 
Contributor
Posts: 125

Loc: minnesota
Reg: 09-21-10
03-20-12 12:02 PM - Post#2205133    
    In response to Allan In NE

50 chevy 216 closed rear end


 
350whip 
Contributor
Posts: 116
350whip
Reg: 02-24-12
03-20-12 12:31 PM - Post#2205143    
    In response to porters

http://www.pirate4x4.com/tech/billavista/PR-AR B/ar...
RickT.
  • 1989 chevy k1500
  • regular cab, shortbox
  • chevy SB350tbi (little piggie!)
  • L60E Automatic 4speed
  • corvette servo
  • 30"BFG AT's




 
porters 
Contributor
Posts: 125

Loc: minnesota
Reg: 09-21-10
03-21-12 11:42 AM - Post#2205623    
    In response to 350whip

350 Whip Thanks for the indepth article. But I do not intend to get into the rear axle pumpkin.It is a bolt with a lock nut. If one loosens the bolt, moves it and tightens the lock nut what does it do to the rear end? How many of you have ever done this? Thanks Mike

 
NWMO 52 Chevy 
Contributor
Posts: 764
NWMO  52 Chevy
Age: 46
Loc: Northwest Missouri
Reg: 11-10-10
03-21-12 02:28 PM - Post#2205688    
    In response to porters

Mike,

No experience directly. However, I believe the name of the part indicates what it does in this case. The pinion shaft rides on a bearing/cup (race) correct? Again, I'm still learning, but it sounds like this adjustable bolt is used to set the position of the bearing in the cup or race. I assume you would measure the torque required to spin the pinion. If too little torque, loosen the lock nut and tighten the bolt slightly, check again. If too much torque required, back it out some. Having the bearing set correctly will minimize wear. Too little or too much will cause your bearing to wear much quicker and or worse case, fail. Again, I've not been into it yet, but that is how it reads to me. Certainly not trial/error, you would either need to measure required torque or some other characteristic that provides information on the bearing/race to adjust per spec.

Chris


 
bobg1951chevy 
"7th Year" Silver Supporting Member
Posts: 6761
bobg1951chevy
Age: 72
Loc: Ellijay, GA
Reg: 02-18-08
03-21-12 10:23 PM - Post#2205932    
    In response to porters

  • porters Said:
On page 4-2 of the shop manual #7 in the diagram it says front pinion bearing retainer screw. What does it do and how is it adjusted? Is it a trial error kind of a deal or is it some kind of a sophisticated way to set it up?



Point out what number you are speaking of here.
I now see what you are speaking of, will look more closely in my manual to see what I can see.
http://chevy.oldcarmanualproject.com/shop/1949_53/...

Bob G.

1951 Styleline Deluxe 2 dr sedan. 1955 235" 3 speed std.
1951 Styleline Deluxe Sport Coupe. 1962 246" 3 speed std. o/d.

www.picturetrail.com/sfx/album/view/215790 56...








 
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