Question about 1999 Pontiac Sunfire

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Timing chain jumped

1999 pontiac sunfire 2.4 engine zero tolerance valve engine

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  • matt_mcconah Nov 19, 2008

    If the timing chain jumpes does it bend the valves?

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My 1999 sunfire runs very well, however when I come to a stop light it will die out. Can anyone help me.

Posted on Jun 21, 2009

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If it is a zero tolerance engine there is the possibilty valve damage has occured, depends if you were driving the car and at what speed it happened

Posted on Nov 30, 2008

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1 Answer

Timing is way off do timing belts jump a tooth and if so what are the marks


Both the 2.2 and the 2.4 engines use a chain, not a belt.
A chain could still be faulty, but I doubt it would jump teeth unless the tensioner failed to keep it tight.

Sep 15, 2012 | 2001 Pontiac Sunfire

1 Answer

Does 1997 pontiac sunfire gt 2.4 L set it's own timing


No, The 2.4lt quad 4 has a timing CHAIN when it starts to get sloppy the chain must be replaced. As these engines have an internal ignition pack under the valve cover ther is no adjustment. Unless you are an acomplished mechanic I don't suggest you takle this on your own.

Oct 16, 2011 | 1997 Pontiac Sunfire

1 Answer

I have a 96 Pontiac sunfire GT with the 2.4 engine it has a super bad misfire I have replaced the map sensor, plugs, coil pack, fuel rails. what elsa could be causeing this promblem


i`m assuming this is a dohc motor.have you checked the ignition module and the connections at the module.its located on the cover where the electrical connector fastens to it.it could also be a jumped timing chain possibly by a bad chain tensioner or worn out chain.

May 22, 2011 | 1997 Pontiac Sunfire

1 Answer

My 17-year old son asserts that his '99 Sunbird (112K miles) broke down several days ago causing him to pull off the road - no additional details - after which he restarted the car and drove home. Next...


If the timing belt (chain ) broke or jumped the car would not have restarted after your son shut the engine off. (The motor would have stopped on it's own.) Timing belts are an issue with most modern cars and if the motor is what is referred to as an interference engine there will be valve damage. The other possibility is that some components from the butterfly valves in intake manifold were sucked into the cylinder head causing damage to the cylinders , pistons and valves. No matter what the cause its going to cost a lot to repair.

Jan 18, 2011 | 1999 Pontiac Sunfire

1 Answer

Where should timing gears aline on a 1998 pontiac sunfire need pictuure


Timing Chain and Gears REMOVAL & INSTALLATION 2.2L Engine Fig. 1: The timing marks on the sprockets should be in alignment. If not, turn the crankshaft until the marks are aligned 91113p63.jpg
Fig. 2: The timing chain tensioner is retained by a Torx head bolt (1) and a regular hex head bolt (2) 91113p58.jpg
Fig. 3: Unfasten the camshaft sprocket bolt 91113p59.jpg
Fig. 4: Remove the camshaft sprocket and the timing chain at the same time . . . 91113p60.jpg
Fig. 5: . . . then remove the tensioner assembly 91113p61.jpg
Fig. 6: Compress the tensioner spring and insert a cotter pin or nail in the hole provided to hold the tensioner in position 91113p62.jpg
  1. Fig. 7: Exploded view of the timing chain and sprockets - 2.2L OHV engine 87953107.gif
2.3L and 2.4L Engines .
  1. Fig. 8: The chain must be in the "timed'' position - 2.3L and 2.4L engines 87953108.gif
    Fig. 9: Remove the timing chain guides 87953109.gif

  2. .
  3. Fig. 10: Timing chain assembly retaining bolts - 2.3L and 2.4L engines 87953111.gif

  4. .
    1. Fig. 11: Reloading the tensioner to its "ZERO'' position, then install to the chain housing 87953110.gif

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Oct 08, 2010 | 1998 Pontiac Sunfire

1 Answer

Timing chain broke while driving.Are the valves damaged now?


if it is a o tolerance motor u have a good chance that happen,,

Apr 18, 2010 | 2002 Pontiac Sunfire

1 Answer

2003 Pontiac Sunfire died on me, how/why?


If you hear a loud clank when you try to start it, but nothing turns, that is the starter trying to turn the engine, but the engine is locked up. If the timing chain/belt jumped, the engine would still spin.

Feb 20, 2010 | 1996 Pontiac Sunfire

2 Answers

Does it have a timing chain or a timing belt


Hello.
In 1997 the Sunfire used 2 different engines.
A 2.4 overhead cam or a 2.2 overhead valve engine.
Both use a timing chain setup.
Hope this helps you along.
Best of the season to you.

KL

Dec 24, 2009 | 1997 Pontiac Sunfire

2 Answers

No compression!


this could have happened if the timing belt broke. You are supposed to change the timing belt every 60 to 90 thousand miles.

Jan 15, 2009 | 2004 Nissan Sentra

1 Answer

1999 pontiac sunfire-timing chain jumped


Is the motor still running???? All depends where the piston an valve are when it jumps off?????

Nov 19, 2008 | 1999 Pontiac Sunfire

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