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Posts posted by NCBRIJEN
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Thanks Ed, it can't be that I just replaced the rear shocks a year ago. The compressor makes such a loud rattle too I wonder if part of it has just come loose?
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Mr. Shipman: Thanks so much for the speedy part numbers!... now to figure out what part exactly I am needing..... that will be the trick. I was thinking that it was just one part number for an entire unit but I guess its many parts that make up the whole. I appreciate your help... Hope all is very well with you , Haven't seen you since the National in Concord, North Carolina with your blue Riviera ... how many miles now?
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Hey All! Anyone know the part number for my 1989 Riviera air pump that controls the auto level option.... or a place to purchase a new one....My still works but getting increasingly loud and continuous when fully loaded. I believe that the seals have probably gone bad after 26 years and it loud and annoying with passengers....
Thanks so much
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Thanks for the suggestion... I have done that too and nothing..... even drove moving the tilt wheel up and down.... very fustrating... I was thinking of maybe jst replacing the ignition coils even though it looks fine...Jiggle the ignition key; lightly tap on the ignition switch while driving, and see if the problem recurs. -
WOW! OK I replaced the MAF and wires worked fine ... then again began to cut off... OK... New harmonic balances and Crank Sensor... ran smoother lasted a few days then again cut off while driving again..... I have looked at the ICM and see no leakage or oozes but could this be the next step or could it be maybe the ignition in the column?
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Thanks! I am replacing both the sensor and HB @ the same time to hopefully ensure that this will not reoccur down the road in a few weeks again... I would hate to find out that if there is an issue with the HB that I don't see trips the sensor again and have to replace the HB and sensor again later. The suggestions and help on this board by knowledgeable Buick folks is invaluable.here's the grounds to check for looseness/corrosion: http://reattaowner.com/roj/component/content/article/62-electrical-system/other-electrical/224-ground-terminals-junction-box-location i also had a bad crankshaft (harmonic) balancer and crank sensor that did the "intermittent" problem before it finally gave up on the side of the road.:mad: if the balancer has any cracks in the rubber (front or back), you'll need a new one and replace the crank sensor at the same time. this will not "throw a code". i hope this helps. -
As I have been doing some research... I am thinking that since I replaced the MAF Sensor...maybe its either the ICM or Crank Sensor mounted behind the harmonic balancer. Do to the heat maybe being a factor I may start looking at the ICM first....OK I checked it out and I don't see any green or any oose or fluid from the outside so I will bypass this option for now and replace the crank sensor first...
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DANG! It happened again while driving down the road at about 50mph.. this time did not restart right away but did after about 2 mins....returned home without issue. Today drove around and returned home fine ... then about an hour later it would not turn over... ( checked engine and it was hot) waited about another 2 hours and started up fine... maybe a temperature sensor?? this is becoming a confidence killer to drive to work or anywhere I except to arrive and return home...By the Way... Not that I think it matters BUT I am talking about my 1989 Riviera here the Reatta has been sold :-(.....HELP...
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Not the stock part #, but difference is probably minor, and ECM will probably self correct to keep mixture correct in closed loop operation. Should be close enough to verify old MAF was problem. [ATTACH=CONFIG]262655[/ATTACH]
OK, started up and ran OK until I stepped on the throttle and it hesitated and surged.... as long as I don't floor it it seems to run fine...the MAF may look the same and fit the same but the part # does make a difference..... I will look for a correct part number AFH50M-02A... In the meantime I will not drive so I don't cause another issue. Thanks for the reference chart Mc_Reatta and everyone's help.
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OK all... THANKS for your help on this issue...., I went to the yard today and replaced the MAF with one off a 1990 Olds....going out later on so I will see if all runs well on the road..... from what I see most all the MAFs from 1988-1993 are the same?? what if I installed a different year than 1989 any issues that will happen?
the one that I installed is part # AFH50M-02E
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That is very likely your problem. It is the MAF (manifold airflow) sensor, and is one of the holy trinity that will kill the engine and not leave a code.
Very telling are the 3 wires going into the connector. They are not stock, have been worked on. They alone may be the problem, or the sensor may be going as well.
I would pull back on the wrap around those wires and verify the connections to the harness wires. A bad connection on one of them could be all that's wrong.
Tapping on the sensor while the engine is running at warm idle and listening for a hitch.
Thanks! That is my suspicion... now that someone concurs I will check it out.
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DO you think this is part of the issue? Looks like it is possibly leaking around the edges and I see residue underneath it.When I owned a Reatta, I had the same thing happen. It occurred after I had the Harmonic Balancer replaced. When the repair was done, the Crankshaft Sensor was damaged during the replacement. My symptoms were the same as yours. The car would shut down at highway speeds. At first, it would start again, but after a few episodes the vehicle would not restart. It took a long time for the problem to be located, but once the sensor was replaced I was good to go. Yet a few weeks later, the same thing happened. It seems that one of the vanes on the HB, was very slightly bent causing it to rub on the sensor. With the HB replaced a second time as well as the Crankshaft Sensor, my problem was solved. -
One time it sputtered but hte other two times just a smooth turn off.....One time I did see an electrical notice on the screen but it went off... No I do not have a spare ECM.... I am thinking of a loose wire somewhere...?Does the car stumble or sputter when it dies or is it immediate, as if ignition were shut off? What do the speedometer and engine temp gauges report after it dies but before you restart it. Symptoms do not conform to a thermal failure of one of the holy trinity, but seem more like an electrical failure of the ECM or related circuits. An intermittent like this is a real bear to troubleshoot. Suggest wire wiggling and module tap tests if an electrical problem is the most suspect cause. Any chance you have a spare ECM on hand? -
Did you new air flow sensor do the trick... I may be having the same issue....
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This week ... three times... While driving down the road ( 65mph) no traffic....for no reason the engine stalled out after about an hour..... I coasted in neutral turned the key to restart , shifted back into drive and kept driving.... This has never happened before... until three times this week .... and don't know what is causing it. I was thinking ingnition coil or some sensor but it starts right back up without any wait time..?? I brought it to the dealer and they can't find anything wrong with it....... I hate to wait for it to stop for good on the road ( who knows where) and pay for a wrecker if I can figure it out now. Thanks for any clues or suggestions.
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Thanks for the response Nic. I ended up purchasing an aftermarket set of new calipers just to get the retainer clips since they are not sold seperately as far as I or the dealership could find.. used the clips on the orginial calipers and now have a set of brand new aftermarket calipers for sale without clips. I know its a round about sucky way to get the clips but I did not want to be driving around with rattling brakes....
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I have two 1990 Buick Reatta and having difficulty finding a simple brake part. Attempted to replace the front brake pads last weekend to find the spring retaining clips disintegrated / worn out and un usable. These clips do not come in the pad set anymore and are not in the hardware sets either. The GM dealers and aftermarket parts stores in the Richmond Va area do not have a listing for the clips - can you help please?
Nic Walker
Nic:
I am in the same boat as you with my 1989.... same responses from the Dealer and aftermarket suppliers....I see your posting is an older post, have you found what you needed?
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Harry: That is what I thought but the service manager said that the new pads have clips attached but in 89 they were seperate....I remember a few years ago I also had brakes replaced on the Reatta and remember that the clips were hard for the garage to locate then too....
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This might be what they need.... I am not exactly sure... I do know that they were visible from the front of the caliper.
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.. Hey all... I need some advise.....I just returned from the dealer since my front right side tire has a terrible squeal....Although I have 80% pads left they said my clips are bent and rubbing against my rotors and I need to replace the clips and might as well replace the pads since the clips need to be replaced.... I figured that was OK ... then I received a call that the clips are discontinued from GM for my 1989 Riviera and the only way they could optain replacement clips was if they purchased a set of aftermarket calipers to obtain the clips set and use those clips on my existing calipers for the new pads....... does this sound right??... that makes me end up purchasing two new clipers just for the clips ( about $120.00 for the two... they said that they would cover the core fee since that is the only way they can optain the clips for the brakes..?)
sounds fishy to me???
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Barney: I will be sending mine to you in a week or so to the address you listed above...with the check.... My 89 just went out today after 24 years....
Thanks,
Brian
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