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Re: report - RB MGB drifts right on braking

Subject: Re: report - RB MGB drifts right on braking
Date: Tue, 19 Jul 2005 10:48:36 EDT
An unusual cause for this effect is to lose one of the two u-clamps that  
attaches your axle to your springs.  This happened to me years ago.  I  heard a 
loud "BANG" from the rear after hitting a post-winter pothole.  I  stopped and 
inspected, but missed noticing that one component was absent.   Drove that way 
for 6 months and couldn't figure why the rear end wanted to slide  to the 
side under heavy braking.  I felt REALY stupid when I discovered the  problem.
Jay Donoghue
66 Mustang
In a message dated 7/19/2005 8:29:17 A.M. Eastern Daylight Time, writes:

Thanks  for that info, Eric. I have the same problem only towards the left.
I'll  check that out someday!

----- Original Message ----- 
From:  "Eric J Russell" <>
To:  <>
Sent: Monday, July 18, 2005 8:04 PM
Subject:  report - RB MGB drifts right on braking

> I finally traced down  and repaired a nagging issue on our 1978 MGB.
> It would drift  right on braking. I had rebuilt the entire brake system
> I put  it back on the road a couple of years ago (rebuilt/replaced: MC,
>  calipers, brake cylinders, all flex hoses). I replaced the A-arm's  rubber
> bushes. I tightened all suspension bolts front & rear. I  rotated tires. I
> had the front end (toe) aligned. Still drifted right  on braking. It wasn't
> really a pull on braking but it still didn't  seem right. I re-bled the
> brakes and even measured that the  volume of brake fluid pumped out from
> side was equal with each  pedal stroke. I had the rotors turned and
> the pads. No  change.
> One day I pushed the MG back into the garage after we  replaced the starter
> on my son's pick-up. As the MG bumped up against  a 4x6 block of wood I had
> placed on the floor I heard & felt a  'clunk'. Something I probably
> have heard if I had driven  the MG into the garage.
> Turns out the rubber pads between the  cross member and 'frame rails' were
> shot. Although I had tightened the  attachment bolts, I was only tightening
> them against the stepped  portion of the bolts - and not actually
> the cross  member. I replaced the deteriorated rubber pads with urethane
> pads.  (the right side was essentially gone, there were remnants on  the
> side)
> Now she tracks and stops straight  and true.

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