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#1
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Rear Differential Fluid Level 8.2
Greetings, all. I have a question that I think I know the answer to, but I just want to see what everyone else does. When filling the rear end of a GM product (like a 1965 GTO, for instance), I realize you use the side fill plug and fill until the gear oil drips out. That part is simple.
My question is: Do most of you check the oil level with the suspension hanging? I am sure millions of vehicles have been done this way and have been just fine. But, in my usual "overthinking" mode, I am wondering if the rear end should be "raised up" to simulate normal ride height? If you fill the rear end on a two-post hoist with the suspension hanging, that is one thing. If you fill the rear end on a four-post hoist, the car is at ride height as if it was driving down the road. None of the above probably really matters, but I am curious to hear your opinions. Thanks! |
#2
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Quote:
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Larry |
#3
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Hi Larry. To be honest, I haven't really come to any conclusion. I imagine it all doesn't really matter a bit, but I was just putting it out there to see if someone had a strong theory filling at ride height versus filling with the suspension hanging.
As I mentioned before, I am positive that millions of these differentials have been filled on a two-post hoist with the rear end hanging with no ill effects. Hopefully we get some opinions, however. |
#4
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You’re overthinking it.
Just fill it with the car in a position where you can access the fill plug as easily as possible.
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1964 Tempest Coupe LS3/4L70E/3.42 1964 Le Mans Convertible 421 HO/TH350/2.56 2002 WS6 Convertible LS1/4L60E/3.23 |
#5
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I would be more concerned about maybe 50 other things about my car then 3 Oz more or less of gear lube in my rear.
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
#6
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any 8.2 that ultimately suffers from a lubrication failure simply wasn't driven hard enough and should have failed far sooner.
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#7
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Thanks!
Thanks gents! I kind of suspected that I was overthinking things. I just filled mine with the suspension hanging, exactly like ten million other cars have been done before mine!
As far as breaking the 8.2, I am not concerned. This rear has been completely rebuilt and this car is more of a family cruiser. I don’t run it hard at all. Any occasional full throttle acceleration is done when the car is at road speed and that doesn’t last long because speeding tickets suck. Thanks! |
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