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Need service information to conduct a thermostat replace ment on a VY series 2 commodore which has the supercharged buick 3.8 engine

I am a certified heavy diesel mechanic and need to repair my sons car. I need directions on the thermo replacement and do I need to remove the supercharger. Can you supply torque values/ directions for the repair - I have the thermo and gasket. Do I need a supercharger mounting gasket and can someone supply the torque values

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Sorry Graham, it is based on a Buick, the big difference is your 3.8 does not have a distributor at all, no where for it to go even, you have to start with your fan belt using a 3/8 drive bar that fits into the flexible belt tensioned, then remove ALL the plastics from the front of your engine, the water pump is under them, not a nice job so I would look at replacing any belts bearings and seals as you go

Posted on Dec 29, 2013

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6ya6ya
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Posted on Jan 02, 2017

Hubbyof2
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SOURCE: 95 buick riviera supercharger

you can not put a regular 3800 intake in place of the 3800 super charged engine,the compression ratio is lower than the regular 3800 engine.......!

Posted on Feb 16, 2009

  • 1596 Answers

SOURCE: 1999 buick park avenue ultra motor mount and

  1. Remove the engine mount to engine mount bracket nuts. Important: Ensure that the wood block extends past the width of the oil pan in order to avoid damage.
  2. Use a jack with a block of wood on the jack under the oil pan in order to support the engine.
  3. Remove the engine mount bracket front upper and lower nuts.
  4. Remove the engine mount bracket front upper and lower studs and spacer.
  5. Lower the engine as necessary and rotate the tensioner to remove the drive belt.Remove the supercharger belt.
  6. Reverse For INSTALATION

Posted on Dec 09, 2009

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