question for techies (possible diff issues)

Matt82

Matt82

Matt82

Soldato
Joined
13 Mar 2004
Posts
16,649
this is for my golf. i put new suspension on lastnight (only had time for the front). the car is about 10mm higher at the front than it was yesterday

this morning i started to hear a grind/gumble

the noise wasnt apparently immediately, it took a couple miles to become audiable and its nasty gridning noise

it is not apparent on throttle (any load, light or heavy) but you hear it as soon as youre off the throttle or coasting

it is the same whether clutch is up or down (so sort of ruling out gear box) but NOT the diff

the sound "feels" like its coming from my feet area.

so place your bets

1) inner CV (would that be noisy off load, silent on?)
2) diff (i have a feeling it could be diff) but its not a whine, its a grind

what do you recon?
 
Suggests a CV as you have changed the angle of the drieshafts which is turn could mean the wear scars in the inner CV are now being 'run' over by the tripod spiders.
 
thanks. ive got a few suspicions but ive not had a chance to get back under the car again

it was pretty damn low before and the CVs do end up at some un-natural angles

i do need to re-lower it so that may help

the OS outer joint is a brand new GKN item as of last august. the rest are the VW originals from 220k miles ago

ill keep this posted
 
Not driveshafts rubbing on anti roll bar or owt like that is it? I think I briefly read you have some fancy kit on your motor so would have that covered though :)
 
arb and driveshaft interface only effects mk4s and a3. your arb hoops over the driveshaft. mine is now actually 10mm higher than it was yesterday, so less chance of anything rubbing, but simon has a very good point about the CVs.

sadly the CVs would actually be operating in something closer to their normal range

eitherway ill find out a bit more when i get a chance to get under the car again.

your clutch/flywheel job turn out ok in the end?
 
I must have assumed you had a MK4, got any more details about your car I can have a nosey at? :)

Yeah the clutch/flywheel change went ok bar a broken engine cover and scratched/scuffed bumper where he'd had it off and rested on the paint!! Bit annoyed but he's paying for the cover and when I get around to it, the scuffs (only smallish on one rub strip) SHOULD polish out. lol win some lose some.
 
*sheepishy*

crisis averted. wheel bolts not done up properly. it was still making the noise on the way home, then i ran through what i did lastnight. i only did them up ratchet tight, didnt get the torque wrench out
 
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