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Help Needed GU Patrol Gearbox

Posted: Sun Oct 02, 2011 8:28 pm
by Burdy
Ive noticed that in the last couple of days my Gu patrol ute crunches a little going into 4th gear but only goin up gears its fine goin down from fifth into 4th no worries at all, also if i double clutch it into 4th no crunch either im thinking that my slave cylinder is on its way out any help is greatly appreciated

Re: Help Needed GU Patrol Gearbox

Posted: Wed Oct 05, 2011 8:47 pm
by chunks
Do you know what oil is in there? Make sure it's a GL-4 80w rated oil e.g. VMX80. Incorrect oil e.g. GL-5 75W-90 can cause shift problems.

Re: Help Needed GU Patrol Gearbox

Posted: Thu Oct 06, 2011 4:37 pm
by Burdy
yea mate im running a valvoline duragear 75w/85 GL-4 spec oil but still having drama's with 4th gear crunching a little but only on up shift not down shift

Re: Help Needed GU Patrol Gearbox

Posted: Thu Oct 06, 2011 8:01 pm
by chunks
How long has it been in there? Can take a few thousand kays to work if it had the wrong oil in it before. Also how many kms on the box?

Re: Help Needed GU Patrol Gearbox

Posted: Fri Oct 07, 2011 4:27 pm
by Burdy
ah the oil has done about 1200kms and the gearbox has done around 175,000kms