Question about 2001 Pontiac Grand Prix

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Changed intakemanifold gaskets for 3100 sfi motor now theres a lound knocking comeing from motor

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On the 3.1L engine you have to remove the push rods to replace the intake manifold gasket. It is possible that you didn't tighten down one rocker arm, or you have it mis-aligned.

Posted on Jan 03, 2011

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There is a loos hose coming fron the top left rear of the motor (vacuum hose?) but I have no idea where it connects to.


Go ahead and post the photo. If it is a vac hose, it would have suction when the engine is running if the hose is connected to the intake.

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What is the most effective fuel injector cleaner for a 3100 v6 sfi engine?


I always use this one in all GM motors
http://www.amazon.com/Chevron-Techron-System-Cleaner-65740/dp/B00092893E

May 16, 2011 | 1999 Pontiac Grand Prix

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I took the car for repair and they fixed my oil pan valve cover gasket and the oil pan gasket. they put the knock sensor wire direct to the knock sensor since they didnt have a connector. i drove off and...


the knock sensor changes the timing of the motor when it senses knock ,it sounds like the wire may have come off ,it sounds as if when you press the gas the timing should advance and it sounds as if its not advancing thats why you are hearing a clattering noise on accelerating.if you keep driving it like that you can do engine damage

Mar 03, 2011 | Toyota Tercel Cars & Trucks

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Replacing thermostat on 3100 sfi v6


1. drain coolant from radiator
2. unbolt and remove the water neck from the engine block (it's attached to the upper radiator hose) and scrape any leftover gasket material off of the mating surface w/ a razor or gasket scraper, being careful not to actually gouge the metal
3. pull thermostat out of engine block (it's easy to see w/ the water neck off)
4. scrape any gasket material off mating surface on engine side, being even more careful not to gouge the metal here
5. place new t-stat on engine side opening
6. place gasket over the thermostat (you can put a thin bead of RTV sealant on both sides of the gasket if you wish, some people think it's overkill, but i hate doing things twice)
7. replace water neck
8. refill cooling system, use the little brass bleeder screw on top of the motor to bleed out the air until a steady stream of coolant is coming out after the engine is warmed up. close the screw.

Sep 29, 2009 | 1998 Chevrolet Lumina

1 Answer

I`m looking for a Damper for a malibu 1998, motor 3100 cc, SFI-V6, I would appreciate if you help me to get the spare part. Thanks.


go to any parts store and ask for it there,if they dont have or cant order it ,go to dealer, only thing left to do, try a junk yard first, get one cheep ,hope to help ,robert b.

Jul 10, 2009 | 1998 Chevrolet Malibu

1 Answer

Hi all, im putting a 1995 3100 sfi motor out of a


no your on the rite track worst case you will have a engine light on no big deal

Jul 02, 2009 | 1992 Pontiac Grand Prix

1 Answer

I have a 1996 Buick Skylark limited 3.1 SFI v6 engine. The car just stopped on me at a light had to be pushed out of the street. Thought it was the battery but it's not because the lights comes on, also...


Hi there
1. was there any loud knocking noise ,loss of power before the car quit
2. remove all the spark plugs
3. jack the car up and remove the flex plate cover
4. the try and turn the engine over by the flex plate it should turn easy if it dosen't or will not turn then the engine is seized
hope this helps you

.

May 17, 2009 | 1997 Buick Skylark

1 Answer

3.1l mpfi engine swap with 3100 sfi


all you would really need is, maybe a transmission im not sure if your old one will bolt up. Make sure you take the entire harness and ECM. you might need some odd things along the way

May 11, 2009 | 1992 Pontiac Grand Prix

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