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240z Brake Booster!


kcoke

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I live in San Diego and bought one for my 73 for 80.99 with a lifetime guarante, 21.00 core charge. I just checked and a 71 is 107.00 with a lifetime and core. If you don't need K-Y for those prices the chain of stores is Auto Zone. The Lakeside store (SD) # is (619) 561-5625.

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from another website :

basic test.

To check the booster, pump the brake pedal with the engine off until you’ve bled off all the vacuum from the unit (the pedal will feel firmer and you won’t hear any sounds from the booster). Then hold the pedal down and start the engine. You should feel the pedal depress slightly as engine vacuum enters the booster and pulls on the diaphragm. If there’s no change, the vacuum hose to the booster may be loose or blocked. If the vacuum hose is okay, the problem is in the booster and the booster needs to be replaced.

If your brake booster has failed, your brakes will still work but will require increased pedal effort. The pedal will feel much harder and will take a lot more pressure to stop the vehicle. Driving with a bad booster can be dangerous because the vehicle may not be able to stop as quickly or in as short a distance. So don’t delay. Have the problem diagnosed and repaired as soon as possible.

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I bought one from Auto Zone and the shaft rod was larger than the original rod. The cleavis Pin wouldnt screw on to the larger rod and I didnt know where to get a larger cleavis pin. I thought a new brake booster would come with the cleavis pin but I was wrong. I know my brake booster is bad because It has been in sorage for 14 years and all the fluid is dried up in it.

Keith

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Hmmm...boosters should not have any fluid in them...They are air tight devices that use manifold vacuum to augment the pedal effort to compress brake fluid and actuate your brakes. Have you done a vacuum check to see if the booster holds vacuum? Have you checked the check-valve?

Be sure you got an early (1970-72) 240 booster; boosters for 1973 and later are slightly different. That may be why the clevis doesn't fit right? Consider returning it and paying a little more for one from Black Dragon or MSA if you're at all in doubt...

Steve

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