I have changed my power steering pump twice (secondhand) but it is still leaking on my disc brakes ,could it be something else like a valve on the steering rack or should i go for a recon pump instead .I hope you can help me with this problem thanks alex.
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This sounds like the hydroboost unit is leaking.behind the master cylinderThe braking system on this using the power steering pump to provide power assisted brakes instead of a brake booster. The hydroboost unit most likely needs replaced.
Your van don't have the regular air (vacum) power brake booster, your has a hydraboost brake booster, which is power by your power steering pump, if power steering pump goes bad you will not have power steering or brakes, brake peddle will feel very hard and will take alot of pressure on the brake peddle to stop your van, more the likely your power steering pump is bad.
Excessive runout or wobble in a disc (Rotor) can increase pedal travel due to piston knockback and increase piston seal wear due to necessity of caliper to follow disc wobble.
Thickness variation in a disc can also result in pedal pulsation, chatter and surge due to variation in brake output when disc section is uneven. Dishing or distortion can be caused by extreme heat and abuse of the brakes. Hope this helps, Good luck.
Change front/rear axle oil Change transfer case oil Air filter Engine coolant Rotate tires Fluid level on battery/radiator/brakes Change oil and filter Inspect for fluid leaks Inspect coolant and heater hoses Check exhaust system Check drive belts/tires/wheels/brake lines Check steering operation/disc brakes/brake pedal play Check parking brake Check and lube accelerator linkage Check suspension/steering/power steering fluid Lube body and chassis Check TOD system fluid Check cruise control linkage and hoses Check starter safety switch Lube key lock cylinder
sure the hose could be leaking, these are the kind of problems that arise in the auotmotive feild of repairs. take a can of brake clean mabey two and clean the area of good , let it run to find your leak rember make sure the fluid is full and overfluid good luck kdc744
Mine just did same (2001). Have them check the power steering pump--shaft broke in mine. This affects the brakes as well since both power brakes and power steering run off same system in Astros. Broken shaft messed up the booster system.