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Pontiac Sunfire Care and Maintenance

42 messages,  Last post on May 20, 2009 at 5:38 PM

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What is this discussion about? Pontiac Sunfire, AM General, Sedan

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#3 of 42 oops by bronx72 Nov 30, 2006 (4:40 am)
oops i ment 2.4
#4 of 42 Heat Problems 2000 Sunfire by dwardell Feb 12, 2007 (8:06 am)
Had the thermostat changed about 8 months ago and now the car never gets over 50- 55 degrees. Any suggestions? Rad is good. Thanks Replies to this message: sabrina1589 (Feb 12, 2007 9:21 pm) camandlissa (Jan 23, 2008 5:35 pm) bronx72 (Feb 29, 2008 10:32 am)
#5 of 42 Re: Heat Problems 2000 Sunfire [dwardell] by sabrina1589 Feb 12, 2007 (9:21 pm)
Replying to: dwardell (Feb 12, 2007 8:06 am) I'm having a similar problem, I have had three new thermostats in the last week, yeah I do mean week. Each time I get great heat at first and I think we might be done, then it suddenly stops having heat. I live in ohio with zero degree weather right now and a two year old child with me. Now today my car suddenly has no heat BUT the engine is overheating. Can someone pleeeeze help me before I take a baseball batt to this car. Its supposed to last me untill I graduate from college and I really want it to. Replies to this message: camandlissa (Jan 23, 2008 5:35 pm) bronx72 (Feb 29, 2008 10:32 am)
#6 of 42 Heat by dwardell Feb 13, 2007 (7:45 am)
My car is not over heating. I just can't get any heat over 55 degrees. Can you possibly put the thermostat in backwards? The garage put mine in. Where is the thermostat? On the top of the motor, at the top rad hose that goes into the block?
#7 of 42 2000 Sunfire by dwardell Feb 18, 2007 (7:15 am)
Have you had your system flushed? Sounds like you have a blockage somewhere. Is the thermostat on the top of the block at the top rad hose? I am going to try another thermostat. Might have a faulty one..Thanks
#8 of 42 1998 Sunfire/ Cooling system.....Help! by suzy33que Jan 22, 2007 (10:19 pm)
I have a 98 Sunfire/2.4 motor There is no flow to or from the radiator... I've already done the following.... replaced thermostat replaced water pump radiator rod out block check for combustion gases still.....nothing... anybody know about this car...? Thanks! Replies to this message: masterpaul1 (Jun 05, 2007 4:47 pm)
#9 of 42 Re: 1998 Sunfire/ Cooling system.....Help! [suzy33que] by masterpaul1 Jun 05, 2007 (4:47 pm)
Replying to: suzy33que (Jan 22, 2007 10:19 pm) What are the steps in changing the water pump and thermostat? How difficult was it and how much time did it take? Thanks
#10 of 42 '05 Pontiac Sunfire Oil Change by bmohr Jul 02, 2007 (2:43 pm)
Ok,        I know how to do and oil change and all that good stuff. Here is the issue. 1) Can't find the oil filter; 2) Can't find the drain plug (I mean come on, the drain plug!!!); 3) I have never change an oil filter like this before. It is just a filter, like an air filter??? Any info is greatly appreciated. Thank you.   BMohr
#11 of 42 oil change by sunfired Sep 07, 2007 (12:06 pm)
I agree with BMohr, never seen such an odd setup for oil changes. '04 Sunfire, first time working on a GM product. The filter is a small element type, but HOW do you install it? It looks like it goes into a cast-on piece located just under the air-intake pipe leading to the air cleaner housing. A mechanic told me there is a bolt that runs through it that has to be removed, but this one seems to be a sort of rubber or neoprene cap that might fit a large filter wrench. Grrrrrr has GM not heard of spin-on filters? Am I on the right track or should I look somewhere else? Any help is appreciated!
#12 of 42 NGK Plugs OK? by mapant Oct 04, 2007 (3:18 am)
Hi, I'm new here, not sure how to start a new discussion for my question.   I just replaced the spark plugs in my Sunfire. I used NGKs instead of ACDelcos. Is that OK? I read somewhere that in some GM cars, one MUST use ACDelco plugs because the computer is tuned to the electrical resistance of ACDelcos, and that using another brand like NGKs will throw the efficiency off and cause bad gas mileage. Is that true of the 01 Sunfire 2.2?   I noticed the NGKs are gapped at .050 and the ACDelcos are .040 (I left the NGK at .05 per their specs). Is that an indicator that it's not a good match for my car?   Since I just replaced the plugs I haven't had a chance to measure my MPG, but I wonder if I should just dump the NGKs and get ACDelcos.

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