GU Patrol - CLUNK!

Submitted: Monday, Apr 13, 2009 at 10:12
ThreadID: 67789 Views:2505 Replies:5 FollowUps:1
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A mate of mine has a 3.0 TD GU Patrol, about a 00 or 01 model I think. He obviously got the good one because he hasn't had any dramas with it yet except a belt tensioner lol.

Anyway, the other day he mentioned that every so often he notices a clunk when he backs out of his driveway then puts it into D and goes forward. Thats when the clunk happens. And it only happens every now and then. It's been doing it for a couple of years now but it generally only happens once every 3 or 4 months. Anyway he's had the dealer where he bought it look at it and they can't fault it. I thought maybe his auto hubs are playing up or something but he said they checked the entire driveline.

Any ideas?

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Reply By: Member - Graham H (QLD) - Monday, Apr 13, 2009 at 10:14

Monday, Apr 13, 2009 at 10:14
Try the universals in the driveshaft

AnswerID: 359355

Reply By: Willem - Monday, Apr 13, 2009 at 10:20

Monday, Apr 13, 2009 at 10:20
G'day Louie

Rear brakes grabbing whilst reversing out then the CLUNK when releasing going forward. Or handbrake doing same thing. Could be an outside temperature related thing.

AnswerID: 359357

Follow Up By: Louie the fly (SA) - Monday, Apr 13, 2009 at 10:30

Monday, Apr 13, 2009 at 10:30
That's a possibility Willem. I didn't ask when it happened last but I suspect recently because he mentioned it last week. He keeps it garaged (under his house) so temp shouldn't be a problem. However, we do live in a cold part of the Adelaide Hills.

FollowupID: 627353

Reply By: Nutta - Monday, Apr 13, 2009 at 14:41

Monday, Apr 13, 2009 at 14:41
It sounds diff related to me, they tend to get a bit of backlash, nothing serious, although i could be wrong {about the clunk}.
AnswerID: 359380

Reply By: warthog1 - Monday, Apr 13, 2009 at 21:28

Monday, Apr 13, 2009 at 21:28
Mine has developed a small clunk in the front end also. I am pretty sure it is play in the urethane castor correction bushes.
AnswerID: 359424

Reply By: Member Brian (Gold Coast) - Tuesday, Apr 14, 2009 at 07:56

Tuesday, Apr 14, 2009 at 07:56

Willem may be onto it..... our GQ did the same a few years ago and our mechanic found that the seal somewhere in front of the hand brake was weeping oil, which was in turn coating the brake, causing the handbrake to "lock" to the shaft. For some reason, reverse was OK, but going forward resulted in an audible clunk as the oil and brake surface parted company.

Worth a look anyway!


AnswerID: 359449

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