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Samkia
Original Poster
177 posts
16 months
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Hi everyone. Had a problem last night whilst stuck in traffic every time I let the clutch up the traction control on the dash came on and their was a clunking sound. Is this telling me I need to change the diff oil or something more sinister its the first time it's ever done it.
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j666eds
334 posts
18 months
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Samkia said: Hi everyone. Had a problem last night whilst stuck in traffic every time I let the clutch up the traction control on the dash came on and their was a clunking sound. Is this telling me I need to change the diff oil or something more sinister its the first time it's ever done it. Mine does this, but its more of a grindy noise. Only does it when pulling away sometimes. IIRC 007 has the same problem and monfish checked everything and couldnt find a problem. James
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richie slow
5,747 posts
33 months
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It's normally a sign of the diff oil needing changing, or sometimes it can be a worn driveshaft. If it only does it when the diff oil is hot then that is the most likely cause and the cheapest fix too.
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j666eds
334 posts
18 months
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ringram
12,209 posts
117 months
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I winner if its one side slipping and triggering tc
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Samkia
Original Poster
177 posts
16 months
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Thanks guys will order some oil on Monday. Like I say it's the first time it's done it and the clutch was only at biting point.
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richie slow
5,747 posts
33 months
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ringram said: I winner if its one side slipping and triggering tc It does tend to be one side that slips when the oil isn't working properly. Sounds plausible for a TC light.
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RiggzVXGTS
354 posts
15 months
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Trust me you will know if it's your diff, it makes a awful sound and feels rough to drive.
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notransistors
144 posts
24 months
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Holden put a 350+ horsepower engine into a car made for a V-6. Some GTO owners have suffered a failed differential, others have been lucky.
Depends on what day of the week it was built, I suppose.
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build294
470 posts
53 months
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My diff did the same thing and got really bad only when hot. Only had done 13k miles, in the end had a trutrac diff fitted.
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007 VXR
51,383 posts
56 months
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build294 said: My diff did the same thing and got really bad only when hot. Only had done 13k miles, in the end had a trutrac diff fitted. Same here, much better 
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Britsud
224 posts
15 months
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in the end had a trutrac diff fitted.
Is this an expensive job ? Could be me next if the second bottle of friction modifier don't work added to the purple stuff
Trying this today
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007 VXR
51,383 posts
56 months
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Britsud said: in the end had a trutrac diff fitted.
Is this an expensive job ? Could be me next if the second bottle of friction modifier don't work added to the purple stuff
Trying this today Part is cheap 400/500 but fitting is a big job(labour) 
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granada203028
972 posts
66 months
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notransistors said: Holden put a 350+ horsepower engine into a car made for a V-6. Some GTO owners have suffered a failed differential, others have been lucky.
Depends on what day of the week it was built, I suppose. This is good for those of us who don't hammer their cars, the diff isn't bigger, heavier and more expensive than it needs me.
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notransistors
144 posts
24 months
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Its a sad commentary on the quality of products. My GTO has 25,000 miles, and the never-abused differential is already making noise. I have had plenty of American-made cars, most with a limited-slip diff, and never an issue.
On the other hand, I had a 1976 Triumph TR-7 [with the Spitfire gearbox and rear] that blew several diffs and trannys, before I switched to a diff and 5-speed tranny from a 1980 junk-yard TR-7. Then the car rusted to pieces.
Replaced it with a 1980 TR-7 convertible with rust-proofing.
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ringram
12,209 posts
117 months
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I think Monaro stuff is 7.5" crown, while vxr8 is 8.1 IIRC, Camaro 2010 diff is a straight bolt in and is 8.3"
I understand the ZL1 camaro is over 9" dont think thats a bolt in though.
Chalk another win up for the vxr8's
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