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Re: Noisy Delrin Bushings
Blau suspected possible play between the upper strut rods and the mounts.
He suggested investigating this, and possibly installing some shims
somewhere between the mounting nut and the cupped washer which is just below
the upper spring retainer. And then just double check the torques
everywhere. But they admit that it is
possible (but not likely) that I have some off-spec bushings.
From: JShadzi@aol.com <JShadzi@aol.com>
To: email@example.com <firstname.lastname@example.org>; email@example.com
Date: Thursday, October 21, 1999 7:08 AM
Subject: Re: Noisy Delrin Bushings
> What did Blau say when you asked them these questions? They have had
>much more experience with these bushings than probably any of us..
>In a message dated 10/21/99 2:12:34 AM Eastern Daylight Time, firstname.lastname@example.org
><< Does anyone have any experience with the Delrin bushings as sold by Blau
> the front and rear lower control arms on a 4000q? I installed a set last
> week, together with the H&R springs to complete the suspension upgrade
> began with Boge Turbo Pro struts. The bushings pressed into the lower
> control arm mounts a little easier than I expected. The instruction sheet
> indicated that after initial hand assembly, the bushings would need to be
> driven home with an arbor press (something like the OEM rubber bushings, I
> expect). However, we were able to push them home essentially by hand.
> the car is driven, I can hear the bushings moving around within the lower
> control arm mounts. I can also bounce the car by hand (its hard with
> springs and struts!), and hear the slight movement between the bushings
> the control arms. I trusted my mechanic to properly torque the control
> mounting bolts (to 60 Nm or about 43 ft-lb), and I had him check it again
> today. But is it possible that they need to be torqued again? I assume
> that he torqued them up with the weight of the car on the suspension as
> required by the installation instructions (and indeed the Bentley manual),
> but if not, would this lead to excessive play between the bushings and the
> control arm mounts? Or is it possible that the bushings I received were
> off-spec? Or finally, are these things just normally somewhat loose in
> mounts and noisy?