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Flushing brake system without help or money:
I like working alone, it's slow but my 64 year old body has no problem keeping up with my feeble mind.
I used a Folgers coffee container to catch the old fluid, a 9mm wrench to turn the bleeder valve and a 2 ft piece of the plastic hose from my Mightyvac. I know people are worried about over extending the plunger in the master cylinder but this system will not harm the system or any of it's components. 1. Get the car up on jackstands safely. 2. Remove the wheels. 3. Put the plastic bucket on top of the hub carrier or sit it on a bucket in front of the wheel. The goal here is to get the bucket higher than the bleeder valve. Start with the RR wheel. It's further most from the reservoir and takes the longest to do. 4. Push the hose over the bleeder valve. If you're using a line wrench fit the wrench on the bleeder valve before you put the hose on. 5. Check the fluid level and make sure it's full. 6. Open the bleeder valve and pump the brake peddle 10-15 times with your hand. Push the peddle down until it starts a strong resistance. It won't go far, maybe 3 1/2" so it won't over extend the plunger. 7. Check the fluid and fill the reservoir. I can pump the brake about 20 times on my car before it gets low enough to push air in the lines. Check the hose for clear fluid so you'll know when to move to the next wheel. 8. Remember to check the fluid reservoir after pumping. 9. Make sure you drain the hose before moving from one caliper to another. I lowered the bucket with the end of the hose in it and let it drain itself.
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84 300SD 85 380SE 83 528e 95 318ic |
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