1994 Buick LeSabre Questions

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I am having diagonal right front and left rear brake failure. I was told that it could be a proportioner valve
failure problem.

air out of passager a/c vents rear vent also blows same as front drivers side can this be repaired and what will be the cost.

have noticed my power steering has been stiff or sticky what may cause this

A little Buick ran fine until I had a new air compressor installed. The old one had been unhooked for about 6 months before it was replaced. The person who unhooked it did so bc they said it seemed like it was trying to lock up. At that time the air wasn't running and the bearing had gotten so bad. Other mechanics who have seen it said this wouldn't have been a problem. After the replacement the car ran beautifully with cold air for 2 weeks. Then, every time I would turn the air on it would shake like it was going to stall out. Every time I took it in to the mechanic it would supposedly run fine. Even without running the air it starts to shake like it wants to stall out, it idles rougher at lights. It doesn't want gas when it starts to shake, you have to lay off the gas and hope it doesn't stall. Many times it doesn't but it will feel like a drop, like a loss of power, and the engine light will come on, the shaking will stop. Lately it has to idle for a couple minutes before you can put it in reverse or it stalls out. I have had the fuel filter changed and the map sensor hose replaced. The mechanic says nothing is wrong with it, but clearly something is. Other things that may be of interest: the ignition key is taped into the holds my steering column together. I was told by the mechanic who advised this that it was not a problem. Also I have had to disconnect the horn since either while driving or while parked and off, the horn with go off for a few minutes straight. The car has less than 200,000 miles on it. Someone once told me that my car should have 2 fuel filters (one in the line as well)?? Any direction you can provide on how to solve this problem would be greatly appreciated. Oh and the compressor I had installed was brand new...and for the last few months, unusable. Also it seems to act up more if it has been driven more or if it has sat in the sun.

when the heater controll is switched on heat, what opens the water flow to the water heater, is it manual or electrnonic

My steering wheel is off and when I make sharp right turns the steering wheel is making a groaning noise. This only happens on right turns. I am not sure if it is the rack or the gears. It is getting harder to make sharp right turns. Like turning into a driveway or bridge. It doesn't do it on left turns. If rack goes out would steering lock up? I am just not sure what its causing it. The first time it happened it grinded in the steering wheel and was hard to turn.

It's like something is draining the battery every night. Always has to have a jump in order to crank up. When I try to crank it up, it click clacks for a while and then it dies the more I try.

notice a wiggle when starting out under 40 miles an hour

My vehicle has a rubber boot over the intermediate shaft, right above where it connects to the rack and pinion steering gear that happens to be ripped, causing problems with turning every day. The problem is that it is very difficult to turn the wheel, almost like the power steering has gone out, but that isn't the case as I have had that checked. I believe it is caused by the torn rubber boot getting caught on or in between the intermediate shaft and something else and restricting movement unless sufficient force on the steering wheel is applied. I have been trying to locate a replacement for this part and no one seems to have one.

1994 buick lesabre 3.8 V6 misfires through intake manifold. I replaced the harmonic balancer, timing chain, spark plugs, crank shaft position sensor, repaired wiring to cam shaft sensor and crank shaft sensor. What could be the possible solution to the problem. Could it be a defective crank shaft sensor? Or bad wiring? Please help and thanks. I've been working on this for 3 days and it is stressing me out. Thanks

now I have battery light come on, I have no other problems car runs and starts fine, any suggestions as to my problem

The ball I'm talking about is the one attached to the wiper blade motor, and the ball is the nylon (?) ball on the linkage that moves the splined wiper blade arms assemblies. It popped off trying to clear some snow off the windshield off, and I've popped it back on. However, when it's just wet now, the nylon socket pops off the ball again every time.

It makes the noise whenit is not accelerated also

no noticeable problems, when car is restarted light is usually off

My buick will not start when I turn the key the security light comes on and stays on even after I remove the key. I have to disconnect the battery because the security light will stay on. I've tried new keys because starting was intermitant, sometimes when I would try and start the car before this no start condition I could turn the key the first time it would not start the secound time it would.