courier clunking in 4x4

triton79
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courier clunking in 4x4

Unread post by triton79 » May 10th, 2015, 6:11 pm

looking for a bit of help diagnosing a clunk in my 2000 model courier when its in 4X4, I've tried driving with the hubs locked in 2H and there's no sound but as soon as its put in 4H or 4L the clunk appears its worse when turning or under load.

the closest I could find on the net is this video the sound its almost identical https://youtu.be/OKQx_HvinnA

chris_stoffa
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Re: courier clunking in 4x4

Unread post by chris_stoffa » May 10th, 2015, 9:23 pm

Jack up your front end , drop your rear tail shaft and listen if it is front end related. Or vise versa.
Have you had vehicle from new, has any work been done on diffs
Could it have been fitted with auto locker which has gone faulty.
By removing tailshafts you should be able to isolate issue.
03 Bravo 2.5TD DCab

Jimmy Wood
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Re: courier clunking in 4x4

Unread post by Jimmy Wood » May 11th, 2015, 1:57 pm

Sounds like the diff I blew up in a Navara once.

What about driving in 4wd with hubs UNLOCKED.

It could also just be dry CVs. My cruiser made a clunk a bit like that when one of the CVs was a bit dry. Check your CV boots and yeah, jack it up and spin the wheels by hand and listen closely to where it comes from. Don't eve have to take off the tailshafts, just put in 2WD to isolate the front one.

triton79
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Re: courier clunking in 4x4

Unread post by triton79 » May 11th, 2015, 9:02 pm

chris_stoffa

only just got it recently, no auto locker

triton79
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Re: courier clunking in 4x4

Unread post by triton79 » May 11th, 2015, 9:04 pm

Jimmy Wood
no noise when driven in 4WD with hubs unlocked....will jack it up tomorrow

Jimmy Wood
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Re: courier clunking in 4x4

Unread post by Jimmy Wood » May 12th, 2015, 3:36 pm

The CVs will clunk if a bit dry, but only when loaded up, so Im thinking CVs ey. When hubs unlocked, they have no load and the dry steel balls just slip over each other and make no noise. If you find a cracked boot, (or even slip them off and check for grease on the moving parts) just squirt a bit of oil up there and see if that helps, if so, you can probably just regrease them as a short term fix and replace later when you are flush with cash.

vk3aif
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Re: courier clunking in 4x4

Unread post by vk3aif » May 12th, 2015, 7:42 pm

You aren’t noticing this on the bitumen or other hard surface are you?

triton79
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Re: courier clunking in 4x4

Unread post by triton79 » May 13th, 2015, 2:13 pm

no mate, I wouldn't use 4x4 on those surfaces

vk3aif
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Re: courier clunking in 4x4

Unread post by vk3aif » May 13th, 2015, 7:22 pm

Sorry I had to ask as you would not have been the first to try driving around in 4wd on hard surfaces.

Radebe2k
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Re: courier clunking in 4x4

Unread post by Radebe2k » August 10th, 2016, 6:34 pm

Your transfer case chain has stretched and is slipping when it's under load with drive going to the front wheels. My step son did it on my bravo when he put in 4wd on the bitumen and torqued up the driveline, fortunately the chain started slipping before it screwed the rest of the gearbox etc.

Did an ebay for my replacement as Ford\Mazda wanted nearly a grand for the official replacement part, $330 in total, did all the work myself, just make sure you get a copy of the workshop manual for the assembly\disassembly of the shift detents etc

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