Exhaust system suspension donuts keep breaking

Ado Sigal a.sigal at bluewin.ch
Mon Aug 27 16:52:42 EDT 2007


You should inspect the state of engine mounts to start with, and if cat 
has on one end flange with donut ring connection, replace 3 bolts and 
nuts by flexi connection with springs and washers (from S2), and longer 
SS bolts (9 cm), and proper exhaust locknuts. Don't tighten it much, and 
and exhaust donuts will last very long time. If both flanges are flat, 
loosen one flange, so one can install reinforced donuts much easier. 
Replace bolts with SS ones.

HTH,

Ado


SJ wrote:

>88 5kq
>
>I have to keep replacing the exhaust suspension rubber donuts every year or
>more often.
>It seems the replacement parts are made of rubber that cant take the beating
>or the ozone.
>
>I have to 'safety wire' the damn exhaust as a precaution to prevent the
>system falling out of the car by accident.
>
>Anybody know of a better way or parts for replacing the donuts? I was
>thinking of using a material like they use at exhaust shops for hanging
>exhaust systems. This hanger is composed of a flat stock of rubber, the kind
>with fabric between the layers . . kinda looks like a tire sidewall.
>Mechanical fittings are riveted to each end of the rubber strip. I was
>thinking of making a donut out of this type of material.
>
>I know VW makes a donut with a chain imbedded inside the rubber. But this
>donut wont twist, and getting it onto the hangers is almost impossible.
>
>
>SJ
>
>Received my fender bender check for $1800 today.
>
>
>
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