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Front wheel spin/slip but only now and again 😪


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As title I'm getting I little wheel spin every now and again, even in the bone dry straight line no turn on wheel, 99% of the time no spin/slip, even in the wet, cars a weapon running the Littco L380x and lots of supporting mods, made 430/400 at Unicorn, its much quicker now after the additional supporting Mods, had the haldex oil change and filter clearned around 1500 miles ago, never noticed the slipping before that, only launched the car 1 time, this problem raised its head thereafter,   cars done 33000 miles, ive run the pump prime through OBD11 and also the Vagcom tool and cleared faults even though no faults shown, I was thinking either pump on its way out, or faulty controller,

 

anyone else had this issue?

 

Thanks in advance for any help given 👍

 

Daz B 

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Ok thanks ill do some research on that, just want it sorted before it goes Bang 😅   Cheers    Daz B 

The gear inside the transfer case/bevel box may be slipping on its shaft.  It gives similar symptoms to a Haldex problem, is most common on cars with extra power, especially those that have been launched.  Some research will give you more info and tell you how to diagnose.

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13 minutes ago, gregozedobe said:

The gear inside the transfer case/bevel box may be slipping on its shaft.  It gives similar symptoms to a Haldex problem, is most common on cars with extra power, especially those that have been launched.  Some research will give you more info and tell you how to diagnose.

Ok thanks ill do some research on that, just want it sorted before it goes Bang 😅

 

Cheers 

 

Daz B 

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To better check on the wheelspin, get someone outside the car to watch while you take off hard (traction control off) on a lower traction surface (wet bitumen/concrete, grass, gravel, dirt etc) and carefully watch the rear wheels.  If the rear wheels don't spin at all you have an AWD problem (usually Haldex, sometimes transfer case/bevel box).   Note, it can sometimes take a short time for the Haldex to kick in properly and engage drive to the rear wheels.

 

If the rear wheels do spin about the same as the front then try again on a high traction surface (dry bitumen/concrete), if the rear wheels still spin then you have a traction issue (too much power for tyres grip), better tyres may help, as will better throttle control.   If the rear wheels don't spin you have an AWD problem (usually Haldex, sometimes transfer case/bevel box). 

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13 hours ago, gregozedobe said:

To better check on the wheelspin, get someone outside the car to watch while you take off hard (traction control off) on a lower traction surface (wet bitumen/concrete, grass, gravel, dirt etc) and carefully watch the rear wheels.  If the rear wheels don't spin at all you have an AWD problem (usually Haldex, sometimes transfer case/bevel box).   Note, it can sometimes take a short time for the Haldex to kick in properly and engage drive to the rear wheels.

 

If the rear wheels do spin about the same as the front then try again on a high traction surface (dry bitumen/concrete), if the rear wheels still spin then you have a traction issue (too much power for tyres grip), better tyres may help, as will better throttle control.   If the rear wheels don't spin you have an AWD problem (usually Haldex, sometimes transfer case/bevel box). 

As I said, the front wheels loose traction only now and again, 99% of the time alls good, I was beginning to think lazy pump, tried full send in the wet car grips and goes 99% of the time, new rubber all round MPS4S, I've only ever launched the car once, I'm thinking just monitor the issue for now, until I can say for sure what's up, plugged the the vcds to run some logs during some hard use, but could not get the wheels to spin at the time 🤣

 

I'm back home next week, will check out some vids showing transfer case bevel box issues to cross check my issue 👍

 

Thanks again 😉

 

Daz B 

 

 

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