Differential

mecevans

Supramania Contributor
Jan 18, 2009
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M-bay, cali
well i opened up my LSD 4.3 diff to check the fluid and there was quite a bit of pressure in there. i had to hold the plug from shooting out at me. what could be causing this? hot fluid? the car was dead cold BTW. Also what kind of fluid should i use to fill it up with? we have pensoil brand oil that i can use at work.

thanks
 

Supracentral

Active Member
Mar 30, 2005
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If I remember correctly, there's a one way check valve on top right of the diff cover that's supposed to vent that excess pressure - it may be clogged.
 
Dec 3, 2003
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Canada
Supracentral;1443177 said:
If I remember correctly, there's a one way check valve on top right of the diff cover that's supposed to vent that excess pressure - it may be clogged.

This but on left iirc.

Duane