Vibrating Steering Wheel

[Max Hoepli]

Due to the vibrating steering wheel, I had both front wheels rebalanced and
re-pressured. It cured the problem. I lost the lead weight of the front left
rim.

Anyone ever lose balance weights? Tech said weather changes from cold to hot
can cause lead weights coming off. Anything like greasy, dirty rims not
cleaned and then balanced?

I will still change out brake master cylinder due to brakes seizing and
getting hot in the front after about 100 kms.

Max


-----Original Message-----
From: John Lagnese [mailto:jlagnese at massed.net] 
Sent: Sunday, July 24, 2011 17:10
To: 'Max Hoepli'; kneale at coslink.net; quattro at audifans.com
Subject: RE: Vibrating Steering Wheel

Master cylinder gets hot, the valve sticks and the brakes drag, making them
very hot. I had rigged up a barrier so the hot air from the radiator and
engine didn't blow on the mc which helped until I got a replacement from
Chris at Force 5.

-----Original Message-----
From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com] On
Behalf Of Max Hoepli
Sent: Sunday, July 24, 2011 5:03 PM
To: kneale at coslink.net; quattro at audifans.com
Subject: RE: Vibrating Steering Wheel

Calipers are new in the back, in the front my mechanic commented a missing
spring as seen from the outside of the front caliper which has been in this
state for 4 years. Brake fluid is new.

I told the same mechanic of this problem, he had no suggestions.

Max



-----Original Message-----
From: kneale at coslink.net [mailto:kneale at coslink.net] 
Sent: Sunday, July 24, 2011 16:44
To: mhoepli at vif.com; quattro at audifans.com
Subject: RE: Vibrating Steering Wheel

Sounds like calipers are not releasing.  Either the pins need
cleaning/lubing or your master cylinder needs replacing.  Next time the
brakes don't let go completely, try squirting cold water on the master
cylinder.  If they release, you need a new one.

Original Message:
-----------------
From: Max Hoepli mhoepli at vif.com
Date: Sun, 24 Jul 2011 14:56:12 -0400
To: quattro at audifans.com
Subject: Vibrating Steering Wheel


Hi all,

 

Steering Wheel started to vibrate at about 2200 RPM in 5th gear on highway,
I lifted the handbrake lever up 3cm and pushed back down 3 times. This
eliminated the vibrating steering wheel. 100km later I stopped the car after
having turned off the 401 East at Cobourg going north on 45, I had to rev
more when I was gearing up. Stopped by a gas station, the rims at the front
were very hot. The car would not roll on level ground in neutral. 30 minutes
letting the car rest, the car could roll again. I drove off normally. 

 

On the way home steering wheel starts to vibrate as of 2200 RPM in 5th gear.
Lifting up handbrake handle as before had no influence. Steering wheel seems
to vibrate more when slowing from 3000 RPM to 2200 RPM, Seems to be less
vibration accelerating 

The car has new control arms in the front and new constant velocity boot on
the front outer right. Tires and rims balanced 2,000 km ago.

Car stops in a straight line with assist. ABS does not work.

 

Ideas??????

 

1986 Type 44 Turbo Quattro, 313,000 km

Max

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