Last post on Mar 11, 2013 at 3:33 PM
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Chevrolet Venture, Pontiac Montana, Oldsmobile Silhouette, Van
#1384 of 1617 intake manifold gasket Oil leaking,coolant bottle empty
Apr 27, 2006 (5:16 pm)
2001 Pontiac Montana: Like many others my coolant and oil is leaking from the intake manifold gasket. What is the best way to take up GM on this problem? I called GM and they tell me there is no recall on this and I would have to spend my own money to fix a manufacturing defect!!!It has 117K so it is outside the warranty period. Any help or advise will be appreciated.
#1385 of 1617 Re: intake manifold gasket Oil leaking,coolant bottle empty [newtomontana]
Apr 27, 2006 (9:07 pm)
There was a TSB on the coolant leak a couple years back. My extended warranty covered it. As for your van it's way out of the warranty, sorry for the bad news.
#1386 of 1617 Re: 2000 Silhouette [ronsmith38]
May 04, 2006 (8:02 pm)
Actually, by "original" Rocket grille, I meant the twin port openings, not the newer 2001 "chrome" style. All Silhouettes, including mine, have the "swoosh" logo since 1997!
#1387 of 1617 removing glove box latch mechanism?
May 08, 2006 (10:04 am)
the glove box in my Silhouette won't close. the latch mechanisiem won't move when trying to pull the latch handle. I am assuming something broke in the latch mechanism. I tried to take remove it, removing the 2 screws, attaching it, from the inside. it is loose now, but it won't come out. what am I missing? how do I get it the rest of the way out?
#1388 of 1617 Re: intake manifold gasket leaking GM Canada pays up!
May 12, 2006 (11:59 am)
Just had a cooling system flush and fill service done at my local GM dealer and they tell me I have an intake manifold gasket leak which is burning up my Dexcool. The repair would be $1,023CDN but they said not to worry about it because GM WILL COVER IT under warranty, even though my warranty period is over (93,000km, which is about 55,000 miles on the engine, but an August 2001 model).
Not only did I not get the argument I was expecting but they made it seem as if this was an everyday occurrence. Seems GM Canada is treating this problem differently?
May 14, 2006 (7:56 pm)
I have a great deal of wind noise in my 04' venture. the noise starts at around 65 mph and gets louder and more frequent as I speed up.
Any thoughts on this problem?
#1390 of 1617 Re: intake manifold gasket leaking GM Canada pays up! [profcolli]
May 22, 2006 (5:04 pm)
There is a class action suit against GM for leaky intake manifolds, separate in the US and now in Canada. I have two GM cars and tomorrow is my third visit to the dealer with dexcool running down the engine. Enough is enough, I want my money I spent on the repairs back. Do the search on the net, class actions are easy to find.
#1391 of 1617 Re: intake manifold gasket Oil leaking,coolant bottle empty [newtomontana]
May 23, 2006 (6:46 am)
I'm about to have my SECOND gasket replaced in my 2000 Olds Silo two years and 31K miles after the first. I did get GM to do a 50/50 "good will" split and since GM was paying for half it was done at "warranty cost" which saved me a little more. Now two years later and WAY out of warranty no one (GM or the dealership that sold it and has already repaired it once) is willing to do anything. This will probably be my last GM auto and definitely the last from that dealership.
The van was great for the first three years (while it was under warranty) and was the best deal when I bought it. The three years after the warranty ran out haven't been the best experience. I spent more on the van in the time I've had it than I did in the 11 years I had my '94 Maxima until I blew the engine in the Maxima. Yep, you guessed it... leaking gasket... but that was on a 12 year-old vehicle where the temp gage wasn't working. I should have fixed the temp gage and I probably wouldn't have blown the engine (hindsight being what it is)...
Well I'm not going to give the dealership or GM the $700 to fix it this time (they did such a good job last time that I'm having to do it again). A buddy of mine is a mechanic and will do it for less but it's still too expensive to fix a MANUFACTURING DEFECT that GM isn't standing behind.
#1392 of 1617 02 Silhouette- Manifold Vacuum Reading
May 30, 2006 (8:44 am)
I have two issues that may be related to a vacuum leak. One is the heat/defrost vent doors don't open properly and I get minimal airflow when in all settings except vent and bi-level. The second issue is the A/C shutting down at highway speed under minor acceleration. Both of these issues are new. My vacuum gage reads 18"hg at idle with a/c off and 17 with a/c on. Is that a normal reading for the 3.4 engine?
#1393 of 1617 02 Silhouette- Manifold Vacuum Reading
May 30, 2006 (12:34 pm)
Ref. #1392. I forgot to mention that when I step on the accelerator in Park the RPM's get to the point that the engine suddenly slows down, speeds back up and suddenly slows down again repeatedly. I had the same thing happen on another car with a vacuum leak. Any input is appreciated.