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Old 08-09-2022   #4
RichieDMD
 
Join Date: Feb 2020
Location: Oregon
Posts: 67
Default Re: 1995 ZR1 Transmission Really Stiff...Sometimes

Quote:
Originally Posted by DRM500RUBYZR-1 View Post
Something is amiss.
It should not be anywhere near as difficult as oyu have described.

Two suggestions.

First take it to a shop that will drain and refill the transmission with the correct lubricant. Mobil 1 or Amsoil are considered to be ideal for the ZF trans.

Second, make sure that your clutch fluid is both clean and more importantly full.

Once both of those have been done, if your effort is not greatly reduced then the transmission may have a mechanical issue.

That eliminates the simple easily correctable causes.
Good luck and keep us posted of your progress.

Marty
The fluid recommendations here call for a Castrol 10/60. Before I call around I want to make sure I'm verifying the proper oil. What should I tell them?

https://www.zr1netregistry.com/Infor...endations.aspx
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