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The NHTSA has commenced an "engineering analysis" of GM's supercharged 3800 Series II V6 engine. Fitted to certain 1999-2002 models, such as the Pontiac Grand Prix GTP, Buick Park Avenue, and Oldsmobile LSS, they are apparently catching fire at a rate thirteen times greater than the naturally aspirated engine. Specifically, the agency has 180 complaints of "non-crash-related fires originating in the engine compartment while driving or after the vehicle is parked and the ignition switched off." An engineering analysis isn't a recall, it is a possible precursor to a recall. If you have that particular engine in your ride, you can find out more about the NHTSA's investigation here.

[Source: Inside Line]



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  • 28 Comments
      • 7 Years Ago
      Say it with me now people, INTERCOOLER.

      They need to be standard equipment on any car with boost, l67's had none. TEP and others make really nice air to liquid units that go right under the stock hood, decreased intake temp dramatically, Im sure the problem is user related, people are unaware that boosted cars require different maintenence than Na. IE letting a turbo car idle after use. I know superchargers dont need to idle for the same reason as a turbo but id bet the after ignition is off fires wouldnt have happened if the car idled for a few minutes before being turned off. A few years back the L67 was rated one of the most reliable GM powertrains ever, wish i could find that now.
        • 7 Years Ago
        lol

        so an intercooler would have prevented the fire. Thats ridiculous. The fires are cause by people not replacing their injector o-rings, which are known to fail. It has nothing to do with the supercharger, which is made by eaton. And lol also at the ford comment.
        • 7 Years Ago
        An intercooler would do NOTHING to prevent an engine from catching on fire...

        • 7 Years Ago
        what are you retarded?
        An intercooler would reduce intake temps, and therfore oil temps HUGE(up to 130degrees). The never specifically said it was electrical fire did they?.
      • 7 Years Ago
      Shouldn't that be 97-02 Grand Prix? That is the model years that the 3800 Series II was installed into.
      • 7 Years Ago
      and yes the GM bashing does begin.. The only GM product I cared for were the firebird, corvette and the duramax diesel engine.. Most GM's I've seen are like pieces of junk in that I've not seen them advance at all. Even their hybrids are a joke, done half way to cut costs. If GM wants to get back on top it nees to get it's thumb out of it's butt and start producing truely useful cars and trucks, instead of the cut corner hybrid approach, use a full hybrid setup, and start mandating Over Head Cams for all their engines. not just the 4-6 cyl models but in the 8 cyl engines. (gasoline of course) they'd be more efficient and more powerful and easier to work on without tearing the nose and engine apart to get to certain things.
      • 7 Years Ago
      I don't blame GM.

      I blame the owners who probably DID NOT do properly scheduled maintenance!!!
      • 7 Years Ago
      GM stay way from the supercharged engines. Leave it to FORD for supercharged cars they got more experience. Also, I don't think it is the supercharger which is made by Eaton. It is a design flaw in the motor. Those GM engineers are sure shaking their heads.
      • 7 Years Ago
      I've owned two GM cars with this powertrain and never had an issue with either of them.

      Most people who own them do not read the manual, and do not realize the supercharger oil has to be changed at certain intervals. On both of my cars I changed it the week I bought them.

      If the supercharger is run with low oil it would probably generate enough heat to cause a fire if that's what the root of the problem is.
        Chris
        • 7 Years Ago
        Used supercharger oil, smells great ;)
        Eh, sorta. The gears would be the thing (not the rotors) not oiled and would seize or grind away. The 'rocks in a washing machine' sound would be a warning of failure.
      • 7 Years Ago
      If you have that particular engine in your car, I would suggest to park it on the street. Just to be safe.
      • 7 Years Ago
      I had a 97 GTP with this engine. I see that 97-98 was not included in the analysis. Is that because they don't do anything for cars more than X years old? Or was there a design change in 99?

      I had the valve covers leak and the motor mounts break at around 90k miles, but never any fuel leak and certainly it never caught on fire.

      The GTP was no Accord or Camry, but it was moderately popular. We have about 10k people at work, and there were about a dozen GTPs (plus many more GTs and SEs).
      • 7 Years Ago
      #7

      "orings in the fuel rails degrade overtime".

      This sounds like the Space Shuttle to me...

      • 7 Years Ago
      My friend called in to work, telling us he couldn't come. He's had a history of not showing up, so my supervisor asked why. He said he didn't have a ride; my supervisor told him a ride would be provided.

      He then reiterated with, "Dude, no, seriously. My car is on FIRE." Supervisor called BS and Patrick responded by taking a video with his cellphone camera and sending it to us. Apparently he had been sitting in an IHOPS getting breakfast when someone exclaimed that a car was on fire. He laughed and looked outside until he realized it was his car. Brilliant engineering, no?

      http://www.youtube.com/watch?v=rjZPIRN2_kY was that cellphone video.
      • 7 Years Ago
      Definitely the fuel rail leaked on the Supercharger.
      It is not a good mix. I replaced my engine recently in my 98 because I had overrevved it one to many times and I started smelling gas when going to drive it in the morning.
      Tracked it down to the fuel rail leaking on the hot supercharger. Good thing (or it could have been bad) that I was parking it in the garage and smelled the gas in the morning as I would have never know. Gasoline & a hot supercharger don't mix.
      • 7 Years Ago
      Please dont act like you have a clue what you are talking about. You are just making a fool out of yourself tyo.

      An intercooler would do nothing to prevent a fire. It cools the intake air, nothing to do with the injectors at all. You sir, are the retarded one here.
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