gear oil question

hemihydro135 · Post by **hemihydro135** » Wed Jul 06, 2011 6:55 pm

I want to change all the gear oil in my PW, what brand and WT do you recommend for the differentials 4spd trans and transfer case?

elacruze · Post by **elacruze** » Mon Jul 25, 2011 10:33 am

I use Royal Purple in all my stuff, but it's overkill. Any name brand lube will work, just be sure you don't use a GL-5 rated lube in the transmission; if it gets over 300 degrees F, it will eat the synchros and in any case reduces the effectiveness of the synchros making shifts harder and slower.

712edf · Post by **712edf** » Mon Jul 25, 2011 7:40 pm

elacruze wrote:I use Royal Purple in all my stuff, but it's overkill. Any name brand lube will work, just be sure you don't use a GL-5 rated lube in the transmission; if it gets over 300 degrees F, it will eat the synchros and in any case reduces the effectiveness of the synchros making shifts harder and slower.

What would be best in a NP540 5-speed?

Thanks,

Bucky

Post by **Hobcobble** » Tue Jul 26, 2011 10:46 am

hemihydro135 wrote:I want to change all the gear oil in my PW, what brand and WT do you recommend for the differentials 4spd trans and transfer case?

Do you have a Factory Service Manual?
John

Sweptline.ORG

gear oil question

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