Question about Volvo Cars & Trucks
Rear brakes on a 2000 volvo S40 is locked up by someone using wrong brake fluid
This will not cause the problem even if filled with engine oil ,no you have another problem here like corrosion or a flexible brake pipe with a internal collapse ,maybe even a faulty master cylinder which is a tandem type .So have a good look or enlist the services of a local mechanic .
Posted on Jul 25, 2013
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Posted on Jan 02, 2017
on most of the cars us use a special spanner tool that resembles a bent screwdriver. you pull the plastic cap out from the back of the drum and then just turn the ajustment wheel till you feal it tighten up a litle. Remember to put the plastic cap back on. Also a old trick most people don't know about is put the car in reverse in a parking lot, and slam on the brakes. most cars have a auto ajustment that they never use.
Posted on Sep 10, 2008
You are correct, it's not brake fluid. Check the level in your rear axle, it sounds like you have bad seals in the axles allowing the rear differential gear oil to leak inside the brake drums.
This is a heavy weight oil, 80 or 90 weight. This leakage will ruin your brake pads, and if enough leaks out, your rear differential will blow. The seals aren't expensive, but it's a lot of labor to pull everything apart to get at the seals, plus new rear brakes. My Ford ( and I'm sure your GMC) require removal of the rear axles to change the seals. Good Luck! countrycurt0
Posted on Sep 18, 2008
Bad PROPORTION VALVE ... the back brakes should only be doing 30% of the stopping with a bad proportion valve it will send more pressure to the back during braking and cause it to lock up. Good Luck and thanks for using FIX YA
Posted on Jan 04, 2009
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