help me Guru's !

E36er · 01-07-2006, 04:13 AM

okay here it goes

the month after i bought my car, theres been this slight ticking comming from the rear end of my car, didnt think much of it cuz it only came for like 2 weeks then gone for 2-3 weeks...but as of the summer it got really bad, so i (my "mechanic" and i) replaced both rear drive axles because there was too much slop (which there was compared to an other E36 that was in the shop)

so thats all done and all, ticken went away for a month and a half, but now..its back...and worst, its a very fast ticking noise that comes when slowing down, and sometimes speeding up. ..and SUPER loud around corners. BUT when im out of gear, no sound at all...so im stuck..all i can think of is the Rear Diff......help me out

{ps i will answer any question u got)

Short version;
-loud ticking noise from rear end of car-louder on corners and slowing down
-drive axle have been replaced
-no sound when clutch in OR out of gear
- if i raise the rear end with floor jack,then lower again, tick offten goes away for a day or so.

please please. this is the only one problem that makes me hate my car...

thanks in advance!!!!

Justin e36 · 01-07-2006, 06:57 AM

Quote:

Originally Posted by E36er

okay here it goes

the month after i bought my car, theres been this slight ticking comming from the rear end of my car, didnt think much of it cuz it only came for like 2 weeks then gone for 2-3 weeks...but as of the summer it got really bad, so i (my "mechanic" and i) replaced both rear drive axles because there was too much slop (which there was compared to an other E36 that was in the shop)

so thats all done and all, ticken went away for a month and a half, but now..its back...and worst, its a very fast ticking noise that comes when slowing down, and sometimes speeding up. ..and SUPER loud around corners. BUT when im out of gear, no sound at all...so im stuck..all i can think of is the Rear Diff......help me out

{ps i will answer any question u got)

Short version;
-loud ticking noise from rear end of car-louder on corners and slowing down
-drive axle have been replaced
-no sound when clutch in OR out of gear
- if i raise the rear end with floor jack,then lower again, tick offten goes away for a day or so.

please please. this is the only one problem that makes me hate my car...

thanks in advance!!!!

Hmm, this is a weird one. I don't think it's the differential, as the differential continues to spin even when you've got the clutch down and the car is rolling. It can't be the wheel bearings or RTAB's (which would normally be the cause of sound when cornering), since the sound changes with the clutch engaged/disengaged).

I'm thinking maybe the guibo?, transmission? Have you put the car on the lift and tried starting it and revving the engine to try to isolate where the ticking is coming from? Or at least jacked up the rear of the car?

Maybe someone else has had this problem before. I'll have to think about this one.

Wait.. I have an idea. Does the ticking continue when you're putting stress on the drivetrain? Say if you release the throttle, but leave the car in gear, and don't touch the clutch?

J

mirek · 01-07-2006, 09:45 AM

check your guibo, might be completely worn.

dave328i · 01-07-2006, 10:53 AM

what's a guibo?

sounds like an italian guy

ZiMMie · 01-07-2006, 10:55 AM

might be low on transmission fluid. Have u chk that lately?

mirek · 01-07-2006, 11:30 AM

guibo is the flex disc

bmdbley'sBro · 01-07-2006, 12:38 PM

driveshaft universal joint(s) ?

you "replaced axles" what people are really replacing is the CV joints
bearings attached to the drive shafts.
they probably do come as a 1 piece replacement part.
on FWD they usualy make noise Turning when going bad.

Mine took 9 months to finaly start making a racket ALL the time.
thought my diff was going to explode on the VW

Anways i hear "used" is bad in that they machine out the bearings holder &
use larger bearings to Remanufacturre them.
this aparntly kills the original Heat coating?
Rebuilt CV's (I have heard) don't last to long!?

Also did your mech Grab the flanges on the Diff (part Axles attach to)
And check for PLAY there??
that would be the diff

E36er · 01-07-2006, 02:08 PM

k ill try and answer all the questions, if i miss one let me know

the flex disk and Transmission were both changed before summer (40,000kms on tranny and new disk)

justin: it only tick's when theres stress on the drive train, and if its lifted theres no weight to really stress on, so no ticking when in the air( cant isolate the sound)- but ive had my dad and couple other guys sit in the back of my car. and trunk (dont ask questions) and the sound is definatly comming from the right have side of the middle (so like right of the diff).

bmdbley's bro: confused me BUT both drive axles were replaced, the whole things (joints and shaft)

and i will check the fluid for good measure

E36er · 01-07-2006, 03:06 PM

bumpage, i got a full day to work on it if i can figure it out

**thinair** · 01-07-2006, 05:59 PM

Check your center driveshaft bearing.

euro* · 01-07-2006, 06:16 PM

i'm having the same problem but mine is a loose brake pad one the clip broke and now it ticks but when i'm out of gear or press down on the clutch it goes away.

E36er · 01-07-2006, 06:47 PM

Quote:

Originally Posted by euro*

i'm having the same problem but mine is a loose brake pad one the clip broke and now it ticks but when i'm out of gear or press down on the clutch it goes away.

ill check that after dinner...thanks for the idea

euro* · 01-11-2006, 05:39 PM

so do u know what was up with ur ride?