Vacuum, brake, etc problems
Registered User
Joined: Dec 1969
Posts: 27,725
From: Little Rock, AR
it doesnt go through the firewall where the wiring harness does, it goes through on the top of the black A/C box, this is why I can't find where it goes because I can't find the hose under the dash, where it comes through is at the top of the firewall way up under the dash. Anyway where is the mode selector under the dash, maybe if I look there I will be able to find the hose and reconnect it. Thanks for the help Shoebox, Your website has really helped huge with this project.
The mode selector is the **** you turn to get a/c, heat, defrost, etc.
Thread Starter
Registered User
Joined: Feb 2005
Posts: 132
From: south florida
I finally got a chance to put the new OEM lifters in, to my surprise the lifters that were in the motor appear to be fine, also they are not the bad comp r's like I thought. I went ahead and put the new oem in any way got the motor back together also put a new abs in, with complete new front brakes. hopefully tomorrow I will get this erratic air reading and brake problem figured out when I can start the car.
Thread Starter
Registered User
Joined: Feb 2005
Posts: 132
From: south florida
started the car today, still have an erratic vaccum reading, what could be causing this. i think the brake problem is the brake booster, getting a new one tomorrow. if the car idles good and the brakes work then is the erratic vaccum reading bad?
Administrator
Joined: Nov 1998
Posts: 71,094
From: Hell was full so they sent me to NJ
Erratic intake manifold vacuum generally indicates a problem with the valves or with misfires. Both of those would be "bad". You are not getting maximum performance out of the engine.
Registered User
Joined: Jul 2009
Posts: 1
vacuum brakes
the brake pedal going to floor or soft pedal could also be that the master cylinder is bypassing pressure.....if all air is out of the system...the vacuum booster helps you apply pressure to the master cylinder.....to see if master cylinder is bypassing there will be some brake fluid leaking out from in between the master cylinder and brake booster(where master bolts to booster)....hope this helps
Thread Starter
Registered User
Joined: Feb 2005
Posts: 132
From: south florida
installed a new booster today brakes are good. I put the new lifters in and used shoebox's method for adjusting the valves, the motor is quite and running good but still an erratic vaccum reading.
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