GU 4 Patrol Lock Up Clutch Shudder
Submitted: Sunday, Jul 08, 2012 at 00:29
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blown4by
My 2005 Auto GU 4 Patrol which has done 140K's has just developed a slight shudder or vibration when it goes in to lock up. I back off the juice when I feel it and then it goes away. I only use the vehicle every 3 or 4 weeks these days and was just wondering if anyone else has experienced this problem, what was the fix and if it possibly has anything to do with the intermittent use. Thanks in advance,
Reply By: Ross M - Sunday, Jul 08, 2012 at 10:41
Sunday, Jul 08, 2012 at 10:41
Has the vehicle recently had a service and it is now doing the slip thing??
Sometimes service people put the wrong oil in autotrans and they slip.
The weakest clutch will slip first.
Guess which clutch is the weakest in the trans?
Another reason is the trans oil may have been there too long and it's grip enabling properties are diminished, causing slip.
Yes the clutch may be wearing out too. The clutch is in the torque converter.
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Follow Up By: blown4by - Sunday, Jul 08, 2012 at 11:00
Sunday, Jul 08, 2012 at 11:00
Thanks for that. I don't think it would be overheating because it does this first thing in the morning while still cold. The ATF quality may be an issue but should not be as I service it myself and keep
Mobil 1 fully synthetic ATF in the transmission which was put in at the 40K service so has now done 100K which is not a lot for a fully synthetic oil which has only done a small amount of light towing. Also when I put it in I fully flushed the system (12 litres) not just the 4 litres that drains from the drain plug.
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