- #10 of 19
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Re: engine locked up after water pump changed [grandamnut]
by jwhittington
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Sep 29, 2007 (11:01 am)
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Replying to: grandamnut (Sep 16, 2007 4:32 pm)
Just got thru changing wp on a 94 pain in the but. Did you check the battery. does it have gas.If the front end is off the ground the fuel pump may not be getting gas. will it turn over at all.
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- #11 of 19
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Re: engine locked up after water pump changed [jwhittington]
by grandamnut
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Sep 29, 2007 (12:56 pm)
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Replying to: jwhittington (Sep 29, 2007 11:01 am)
The motor does not turn over at all. Plenty of charge in the battery. Starter engages but motor tried to turn over at first then it stopped and now will not turn over. Starter will engage but motor will not turn over.
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- #12 of 19
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Re: engine locked up after water pump changed [grandamnut]
by burdawg
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Oct 02, 2007 (5:32 am)
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Replying to: grandamnut (Sep 29, 2007 12:56 pm)
How did you change the water pump? Did you remove the timing cover, take off the tensioner to get some slack in the timing chain before removing the pump? It sounds to me like the timing is off and a piston is hitting a valve, or something around the timing chain is binding up.
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- #13 of 19
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99 grand am se 4 cylinder 2.4 liter
by jenniboo
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Dec 19, 2007 (9:10 am)
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just in the last couple of days when i go to start my car it jumps a little anyone have any idea what it could be or is it because of the cold? 
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- #14 of 19
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timing mark
by tborn
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Jan 31, 2008 (1:46 pm)
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where is the timing mark on the 99 pontiac grand am 2.4
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- #15 of 19
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Re: timing mark [tborn]
by leonu4
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Feb 03, 2008 (8:07 pm)
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Replying to: tborn (Jan 31, 2008 1:46 pm)
okay at TDC , the timing marks are , the crank key way should be facing upwards. there is a mark on the top of the crank chain sproket also that is in align to a dot on the oil pump. the cam sprocket dowels should face upwards with the small hole on the lower part in each cam sprocket facing down. I do not recommend anyone trying to tackle this job at home....It is a pain. I am in the middle of doing one of these at work. It's a nightmare even for a mechanic. I got the new waterpump on and now, my chain tenioner will not re engage. there is plenty of room for error in this job. costly error.I recommend you to take it to a dealer. pay the huge bill. It's well worth it. hope this was some help to you.
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- #16 of 19
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grand am problem
by bamburgey
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Mar 02, 2008 (9:06 pm)
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I went to a mechanic to have a water pump changed on my 1999 grand am and the next day the oil light would flicker. Just a few minutes later the car lost horsepower and started knocking really bad. So stopped car and checked oil, it was empty. My question is is there anyway that by changing the water pump it would somehow cause the engine to lose all of its oil. I know there was oil in it before i took to get it fixed cause i just filled it up. So if anyone could help me i would appreciate it.
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- #17 of 19
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Re: grand am problem [bamburgey]
by burdawg
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Mar 03, 2008 (6:39 am)
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Replying to: bamburgey (Mar 02, 2008 9:06 pm)
Is it a 4 cylinder or V6? Was the oil light flickering all the time or only at idle?
Did this light flickering start right away after you picked it up or later?
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- #18 of 19
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Re: grand am problem [bamburgey]
by banshee05
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Jun 18, 2008 (5:42 pm)
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Replying to: bamburgey (Mar 02, 2008 9:06 pm)
i just did the water pump on my 99 grand am 4 cyl. worst water pump job ive ever encountered. my motor was full of oil during the whole job never left your tech. must have drained it and forgot to refill unless there is a big leak?? I learned a valuable lesson during the grand am water pump job, while i had everything open i changed the thermostat, o2 sensor while the manifold was out, backflush the system all the good stuff but i made the mistake of putting it all back together with the original timing chain and tensioner well after putting the timing cover back on (25 bolts) motor mount back on coolant tank back in place and cruise control back in and the balancer and s belt on i started the car and it was great took it for a spin and when i got 2 miles away and got to normal operating temperature i heard a terrible wrapping sound and i immediately knew it was the chain i just knew it so as it would turn out i had jack up the motor all over again,pull the balancer, timing cover, coolant tank, cruise control, i mean i was beyond furious so i rip it all apart again this time in 1 hour flat! lol so i came to the conclusion that the tensioner was failing only after warm up when the oil thinned out and the oil pressure dropped being the tensioner runs off of oil pressure it didnt malfunction until warm up and also only at idle if you tapped the gas which lightly increased pressure the noise went away so after new chain, tensioner assembly, and the three guides ( i wasnt taking anymore foolish chances) the Ga was better than new. The Ga had alot of recalls too many issues gotta do the work myself.
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- #19 of 19
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2002 Grand Am Replace Water Pump
by kristi448
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Jun 23, 2008 (6:25 am)
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I have a 2002 Grand Am and my boyfriend and his father replaced my water pump this past weekend, it was actually changed twice. After the first water pump was put in, my car made a screaming noise and the only thing they could figure out what was causing the loud noise was that the pump had to have a defect so they took it back and got another on from O'Reilly's Auto parts. Once they had the second pump in, the car still made a loud (not as loud as the first pump) annoying humming sound. The pump works as it is supposed to but they can't figure out what is causing the noise still. They called around and talked to a few shops and auto part stores and they keep getting told that the serpentine belt is not positioned correctly, but my car does not run of the serpentine belt, it is ran off the timing. The only suggestions they were given was to buy a water pump conditioner, which we did and there is no change in the noise. Any suggestions?
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