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Sedans Pontiac Bonneville Pontiac Bonneville General Maintenance and Repair
2228 messages, Last post on Nov 29, 2009 at 4:40 PM
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Replying to: deemo27 (Aug 26, 2005 1:02 pm)
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Hey all, I have a 95 SE with series 2 3800. I've had this problem for over nine months now. My battery gauge at start up moves slow, goes up half way slowly stops for few seconds then goes to 14 volts. The gauge itself rarely is at full strengh, usally it hovers around 12 or a little lower day or night. At night time once in a while my lights dim and the gauge drops halfway for about 5 seconds, it only does this at idle. Also at idle many times day or night the gauge fluxuates back and forth I belive between 14-12 and 10, sometimes a tad lower. My mechanic said it was some bad wires to the altenator. Didn't fix it. My friends mechanic said bad postive battery cable, didn't fix problem either. I got a GM service bulletin from alldata.com, it said lights dimming and gauge dropping was normal for 96 and up bonnies.Normal my butt.I took the bonnie to an electrical specialist he said altenator was bad. I didn't really believe him, he said he checked everything else. Anytime I had a altenator die on me it just went, no warning usually in the rain or cold day and my car wouldn't start. Never slowly over months at a time. The car is still doing the same thing. I took the car back to him, he gave my double talk, I got pissed and left. Has anyone ever had or heard of this problem? Also I kinda think this may have started when I changed my battery. I had a diehard gold in it, but I moved so I puy one from parts america in it, it wasn't nearly as strong, I think like 650-700 amps compared to 850? on diehard. Could that be the source of my problem? Or am I just gettin desperate here. Please help, you guys are my last hope!! I'm going to sell it if I can't get it fixed, but I love this car, it has only 124k on it.
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Replying to: hobbes921 (Aug 30, 2005 8:14 pm)
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Replying to: deemo27 (Sep 01, 2005 11:23 am) |
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Replying to: pfab (Jul 31, 2005 8:47 am)
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I replaced the intake plenum and manifold gasket on my 96 3.8 Bonneville engine and it runs fine with no leaks, but...... Now the engine screeches when not under load (decelerating and at idle). I removed the engine belt and it still screeched,telling me that it is'nt an accessory. I replaced the harmonic balancer pulley....still screeching. I pulled the timing cover, replaced chain,gears and tensioner....still screeching. The oil pump is in perfect condition and engine has great oil pressure. Could I have plugged an oil passage to the balance shaft bushing when replacing intake manifold gasket? I do'nt know where the oil passages are. I'm afraid that an engine teardown may be my next step. I hope someone out there has heard of this problem before.
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Replying to: jimperry (Sep 03, 2005 8:13 pm)
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| I have owned my 1999 Bonneville SE since 2000 and it has 125,000+/- miles on it. Recently when I turn the car to the right, sometimes it is hard to turn the steering wheel (like no power steering) Turning to the left it works fine all the time. It sometimes makes a strange noise when the steering wheel is turned to the right with the vehicle sitting still (like when the wheel is turned all the way right or left in a normal car). I need some help in determining which component is most likely the culprit! Suggestions and experiences of others will be appreciated........otinmo | |
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I have a 1996 LeSabre with a Series 2 engine and 108k miles. When I start the car after it sits about 30 minutes it will backfire and blow off 2 large vacuum hoses at the throttle body. It happens about once a week but does not set engine check light. It did put something in history for MAP sensor bot the mechanic said that was because of backfire. It has not backfired when the engine was cold. When it was new the dealer did something because the 3800's were backfiring but I never had a problem. The car is well maintained. Complete tune up about one year ago(8000 miles) I've taken it to 2 shops but they were no help. One thing I noticed is that it starts right up when cold but tends to crank more when warm. Any help would be much appreciated. I am sorry to post here but the Buick site is dead.
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I have a 96 Bonnie SE. The tranny has been acting up. At 2000-2500rpm at any gear but morte so bettweeen 40-55mph Durring acceleration. It seems that the transmission is stuck it wont shift up it surges the onyl way to stop it is let off the gas or keepp going dowm till it stops. Could this be the TPS or the sensor that is in the transmission? Any Ideas 
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