Question about 2000 Buick Park Avenue

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Anti freeze on top of valve cover

My 2000 buick park started running sluggish and noisy. I was aware I needed a lower manifold gasket but continued to drive it. Now it's sluggish and noisy and has an anti freeze leak from somewhere. It starts up okay but acts like it wants to cut off in drive. I smell a weird burnt smell also and the service engine light flashes.

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Brad Brown

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  • Buick Master
  • 18,519 Answers

A flashing check engine light is a very bad thing. You are not supposed to drive it when that light flashes because engine damage will occur. You may have a bad head gasket and now it is severe.

Posted on Nov 13, 2017

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5 Related Answers

Anonymous

  • 1118 Answers

SOURCE: Oil on top of lower intake manifold

Its a common problem, but it has to be adressed before your engine is done. That oil is comming out wear the distributor wonce was. The plentem, or what you call upper intake will have to come back off, in order to get the plug out to chg. the rubber O- ring on the plugWhen you get it out it will look like half a distributor with the gear on the end and the O- ring towards the top. Its located right under the throuttle on left side of engine where the trans and block meat. There might be enought room to get it out without pulling the intake i'am not sure. But thats where the oil is comming from manny an engine has tied up because of that leak.

Posted on Feb 08, 2009

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Anonymous

  • 33 Answers

SOURCE: 1995 Buick Park AV intake manifold gasket starting to leak

THIS IS VERY COMMEN IN FACT JUST ABOUT EVERY SINGLE 3.1AND 3.4 AND 3.8 EVER MADE BY CHEVY LEAKS AT THE LOWER INTAKE ALL OF THEM AND USEALLY STARTS AT ABOUT 50000 MILES THE PARTS COST ABOUT 300.00 AT THE DEALER FOR NEW GASKETS AND COOLENT AND SEALENT ALL THE PARTS YOU WILL NEED THE PROBLEM IS ITS ABOUT A SIX HOUR JOB SO THE LABOR KILLS YA BUT IT IS ALOT OF WORK BUT THE GOOD PART IS THERE IS NO NEED TO REMOVE THE PUSH RODS ON A 3.8 LIKE YOU DO ON A 3.4 I CAN GIVE YOU THE STEPS IF YOU LIKE BUT THIS JOB IS BEST TO SEND TO A MECHANIC AS IT HAS A LOT OF LITTLE THINGS THAT MUST BE DONE OR YOU CAN MAKE A BIGGER MESS THEN YOU GOT ALREADY... HOPE THIS WAS HELP FULL LET ME NO IF YOU NEED MORE INFO

Posted on Mar 27, 2009

al at yahoo

  • 115 Answers

SOURCE: 2000 Buick Park Avenue Service engine soon light

need to take car somewhere to have the code read with a scanner,try parts stores first some will do it for free if not the dealers have them

Posted on Sep 15, 2009

Randy

  • 369 Answers

SOURCE: ANTI-FREEZE LEAK AT INTAKE/PLENUM MANIFOLD.

Not alot you can do but remove the intake plenum and have the gasket replaced.

Posted on Dec 01, 2009

dtrannyman

  • 158 Answers

SOURCE: Need to remove and replace the intake manifold

it is a great deal of work. The molded gaskets breakdown with time. You'll want to change the two 90 degree elbows as well - they are available from a dealer for a reasonable price. Also, the blower gasket is likely shrunk up and /or blown out. And you might as well replace the valve cover gaskets too as they leak oil as they breakdown with heat and time.

I did all of this on mine. Even as a professional, it took me a good 6 hours.

Posted on Aug 11, 2010

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