Thread: Need diagnostic help on SEVERE steering wheel shake

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I'd check the front brake hoses.
They can break down inside & cause a flap in the rubber on the inside of the hose.
You can push it down all you want & fluid can come out if the bleeders are open.
BUT that doesn't mean when you release your pedal that the pressure releases.
I would almost bet $$$$$ that if you try & force the piston back into your caliper w/o opening the bleeder that the piston won't go back in. This would cause the same exact problem you are describing w/your front rotors ....joe

Originally Posted by TooMany2count

I'd check the front brake hoses.
They can break down inside & cause a flap in the rubber on the inside of the hose.
You can push it down all you want & fluid can come out if the bleeders are open.
BUT that doesn't mean when you release your pedal that the pressure releases.
I would almost bet $$$$$ that if you try & force the piston back into your caliper w/o opening the bleeder that the piston won't go back in. This would cause the same exact problem you are describing w/your front rotors ....joe

Good point, but would one expect to see BOTH wheels locked up with a flap developing on both sides at the same time?

Originally Posted by MRJB1929

I've had the situation that Joe speaks of. On the wifes 36 chevy with the original hydraulic brake lines/system, one of the rubber lines had a piece of internal part of the hose come free creating a "flap". Fluid would easily go out to the brakes but wouldn't return quickly. When this happened, the car severly pulled to the right (or where ever the bad hose was), and nearly pulled you off the road. It didn't cause DW but just a strong pull that caused the steering wheel to jerk so bad it nearly pull it out of your hands. Needless to say... we hunted that problem down so it wouldn't show up again.
Jerome

also a Good point... since I will be flushing and replacing much of the system, I am considering junking the under chassis booster/master and putting a new combo up in the engine bay, with a hanging peddle set-up, or some-such set-up... if I do this, I might as well replace all the plumbing and front brake houses rather than trying to extend / save what I have. thoughts? any suggestions for a kit which would work on a steel '34 sedan?

Bart