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Brake Servo Intermittent


shakes
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E34 1993 525tds se

After a few seconds of braking, as I slow down to 2-3 mph I seem to lose all servo assistance.

Find myself pushing down on the brake pedal with all my weight just to bring the car to a stop.

Any ideas?

Cheers

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Guest Mister Dabsy

If the break pedal becomes very hard but does not go to the floor, then your fluid would seem to be ok...

If this is your symptom then firstly check the hoses to the servo, I mean check for cracked or perished hoses and maybe pull it off to see if its blocked (blow through it).. An temp fix would be to wrap "Duct tape" around the hose until you replace it.

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Looks like it may be vacuum brake pump located on the end of the camshaft.

Found only because I sprung a sudden engine oil leak. Local mechanic diagnosed the vacuum pump as the culprit of both different symptoms.

BMW dealer wanted £240 to order the pump from Germany.

Fleabay can courier one from a "broken" car in two working days for £29.

Here's hoping this resolves brakes and oil leak

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Looks like it may be vacuum brake pump located on the end of the camshaft.

Found only because I sprung a sudden engine oil leak. Local mechanic diagnosed the vacuum pump as the culprit of both different symptoms.

BMW dealer wanted £240 to order the pump from Germany.

Fleabay can courier one from a "broken" car in two working days for £29.

Here's hoping this resolves brakes and oil leak

Nice 1, keep us posted mate

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