Question about Volkswagen Passat
I replaced the pump on my 01 passat did what was needed to bleed and still cant get the noise to go away, , when engine is running the reservoir fluid is full of tiny bubbles
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Posted on Jan 02, 2017
Just guessing. Could it be a warped brake disk? That would cause vibration. And vibration in steering might conceivably cause splashing out the power steering reservoir. You would know if the disk were warped by a shudder when you brake at hight speeds.
Posted on Jun 19, 2008
It seems who ever did the work may have removed the power steering pump to access the water pump and timing belt. After refilling they failed to bleed the air out or possibly left a return hose loose causing the pump to **** air hence the bubbles. The brown color in the fluid may indicate they have reused dirty fluid to refill the pump. Unfortunately if you have driven any distance with the air in the pump it will most likely need to be relaced.I would call the place who did the work and register a complaint.
Posted on Dec 03, 2008
A power steering dosent need bleeding. If you replaced it a week ago and was fine until now then it's not an air problem. Power steering fluid is pumped through the system even when the steering is not being used. Definatly not an airlock problem. Cheer's
Posted on Oct 16, 2009
if power steering fluid is bubbly, means that its sucking air somewhere before(sucking side) (or on) power steering pump. that would explain the noise. Check (when cold) fluid level. if level is low, top up before starting the car. had a lot of cars that high preasure hose was leacking fluid on restricting valve. if so, fluid comes out on the end of protecting cover of the hose. (driver side on spark plugs and down the engine). replace hose with original. do not try to make it your self, becouse steering wheel will shake, sinse restracting valve is missing.
But if you press brake pedal, that has nothing to do with it.
Posted on Jan 03, 2010
are you sure the noise is comming from pump and not the belt tension pulley right next to it ?
I use a wiffle ball bat with both end caps cut off (hollow tube) held to my ear to help localize noises on running engines I have even found tricky intake vac leaks with that trick
Posted on Apr 13, 2012
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Fig. Fig. 4: Power steering bleeding procedure
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