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Pontiac Bonneville General Maintenance and Repair
Last post on Jan 25, 2013 at 12:52 PM
You are in the Pontiac Bonneville
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Pontiac Bonneville, Sedan
#485 of 2268 SHAKES/VIBRATIONS 2000-2001 BONNEVILLES.
Aug 20, 2001 (5:15 pm)
GM has issued a very complex service bulletin dealing with shake/vibration felt in the steering wheel, floor or seat between 60-72mph. (This sounds just like your description Michael in #465). This is for the GM large cars which icludes the 2000-2001 Bonneville. Its a very long procedure that could take up to 5 or more hours to perform and must been done completely and in order. It involves checking Tire Radial Force Variation. It talks about the usage of a special machine to check this. A Hunter Engineering GPS9700 balance/road force measurement machine. I surfed over to www.Hunterengineering.com, and found lots of info about the machine and the condition. The best thing there is a locator to find someone who has one. (If you are thinking of asking for one for Christmas, I found a site selling them for $12,730).
Michael, #465, you do not mention how many tires you had replaced, or if the condition was there before the tires were replaced. But here is my recomendation. Find out if your selling dealer has one of these machines. If not use the locator to find one at another Pontiac dealer. Make an appointment with them for the procedure and express your belief that it should be covered under warranty. Give them plenty of time to perform the procedure properly. The bulletin does imply that this procedure would be covered. (Keep in mind that aligments are only covered between 500 and 7,500 miles, and wheel balancing is only covered to 7,500) If there is not a Pontiac dealer close by, find another GM line and have your Pontiac dealer sublet the work to them. Good luck and please post back with results.
#486 of 2268 2000-2001 BONNEVILLE AIR CONDITIONING
Aug 20, 2001 (5:26 pm)
The were alot of posts in the low 400s that involved the operation of the air conditioning of their newer Bonnevilles. I go the impression that most of them had the Auto A/C systems. I saw the dealer working on a 2000 Bonneville SLE with the Auto A/C. (The owner was unable to push the buttons and change any settings) With the Tech2 scanner tool, you can see all the infomation on these systems. You can see what has been requested, what the outside temp is, what the car thinks the inside temp is, what the temp is in each air duct upper and lower and left and right. This would prove if the car is miss reading anything and if the sensors were working. (Someone had posted thinks that his inside temp was reading wrong) Keep in mind the inside temp sensor is to the right of the steering wheel. Also output is measured at the dash outlet not at the driver or the seat. It is also possible that the system was not filled to the 2.2lbs level of coolant. Also a temp actuator in the dash may not be working properly on the passenger side. I also went outside to a Bonneville in the inventory and stated it up (85F outside) and the fan went to full. This is what I remember form the posts.
#487 of 2268 ENGINE COOLANT LOSS 95-98 BONNEVILLES
Aug 20, 2001 (5:39 pm)
This subject has also been kicked around over the last 20 posts. There is a bulletin that talks about coolant loss without seeing a leak, this could be a problem with the intake manifolds. Bulletin #01-06-01-007A. Keep in mind that coolant level can be checked easily when getting gas. As a starting point, make sure that the overflow bottle is clean and readable. This condition could be checked for if someone whated to by taking off the throttlebody. It looks like it has a triangle base. This faces the air filter box on the driver side of th engine. (I got a chance to see a manifold that the dealer ahd recently replaced-their first- on a 1995 with 135,000 miles) You will see a circular opening at the bottom of the opening. You could possibly feel around with your finger to see if any holes are developing in this area. Also if the orange gasket is carefully removed, you may also be able to see a hole developing allowing coolant into the engine. The repair looks like it takes almost 2 hours and requires about $500 in parts. Here in Massachusetts we get a little break in that the intake manifold is covered under our California Emissions Warranty for 7 years or 70,000 miles. So keep you eye on your coolant levels, and have any loss checked out.
Thanks for allowing me these long posts, I hope they are helpful. With the way my wife goes through brakes, I post soon again.
#488 of 2268 re: 2000-2001 A/C
Aug 20, 2001 (5:45 pm)
Montnafan: Sound like the Tech2 scanner can provide lots of good info...unfortunately it is only useful in the hands of a skilled user. My experience with the dealership near me has not been very impressive.
Still love the car though, and the A/C issue is resolved by using it "manually" when outside temps are high.
Aug 20, 2001 (5:56 pm)
My A/C issue with my Voyager is beeing resolved with the coming of fall.
Hey I remember another one. My cousin had a 1986 Grand Am and one of my college roommates had a 19?? (early 90's) Grand Prix Coupe with the aero package, both of which developed simular paint issues in front of the rear wheels. I think the fix for the GA was a repaint, and the GP was the addition of clear protective tape. I think the tape is fairly common on cars today. I will check the cars in the parking lot during shopping tonight. Perhaps while your cars are still under warranty, your dealers body shops could add some tape?
Aug 20, 2001 (9:31 pm)
You are a bundle of information. All of it appreciated. Where are you getting the technical bulletin info? I would love to get my browser pointed to the same place and read up. My warranty just expired 2 weeks ago, and the car was in many times during the year and 9 months I had coverage. There may be lingering issues to be dealt with if i had bulletin info.
Many thanks for contributing.
#491 of 2268 Service bulletin
Aug 21, 2001 (5:48 am)
Montanfan,any idea what the bulletin # was for the steering wheel vibration? When my 2000 was new, I took it back several times for this problem and the second trip back, the dealer "fixed" it. All well and good but when I recently installed the Saner rear sway bar, I also rotated the tires since the rear ones were off anyway. The vibration is now back, leading me to think that all the dealer did to fix the problem was put the offending tire in the rear.
#492 of 2268 UPDATE FROM BRAIN DEAD POSTER
Aug 21, 2001 (6:47 am)
Sorry guys/gals about forgeting the bulletin number, had it here in my notes. #00-03-10-007 deals with the procedure. #00-03-10-006 is another generic bulletin that deals with the Radial Force Variation (No specific models listed) The Hunter site also had copies of Chrysler bulletins that deal with this issue. The vibration is more noticeable in some platforms. This may not be everones problem but it matched up with giamomj's. Oh, the bulletin came out in January of 2001. Again, my reading is that this procedure is for after the traditional causes are checked and ruled out.
All I did was ask a few questions when I had my wife's 92 Bonneville in for service. Also have a big family with serveral Pontiacs (leased/balloon/finance), so have good access to info.
#493 of 2268 To homer2000..
Aug 21, 2001 (6:33 pm)
I saw you question on service bulletins. One place I found is alldata.com You can do a search for your vehicle and see if there are any bulletins on it. You won't be able to see the correction with out subscribing, but at least it is a start. I found my "surging" bulletin there on my 97 Bonne. transmisson. My GM dealer did the trick ($1150)worth. It is running great now. If any one is not getting response from dealer on repairs try GM internet customer relations. I was able to get them cover half my $1150 repair.
Aug 22, 2001 (1:24 pm)
Thanks - Ill pop over and browse around.