Question about 2003 Pontiac Sunfire

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Where is the timing belt/chain located on a 2003 Pontiac Sunfire, also where is the water pump, valves and t sensors, located in the car as wekk thanks.

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I recommend you get the Haynes repair manual on your vehicle for all of these. That will tell you not only where they are but how to check, adjust or replace them if needed. The timing belt is normally located on the front of the motor under a cover, the vales are located under the valve covers on each side of the motor, or top of the motor in a 4 cylinder, and the temp sensor location will depend on which engine you actually have installed in the vehicle.

Posted on Aug 07, 2010


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1 Answer

I was driving in my 2003 pontiac sunfire and it shut off after it made a noise and know it want crank

check the timing belt /chain as the shut down after noise was probably when the belt broke and the noise from the pistons hitting the valves.

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absolutely - the additional cost for labor is minimal. And timing belts should be changed at 75,000. Also change the tension pulleys. All this usually comes in a kit.

May 03, 2014 | 2005 Pontiac Sunfire

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Where is th MAF sensor located on a 2003 Pontiac Sunfire

I don't list one used on a 2003 Sunfire with a 2.2 engine.

Jan 12, 2013 | 2003 Pontiac Sunfire

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How to change water pump on Pontiac Vibe 2003

Remove the water pump assembly to the timing chain housing bolts (2).

2. Remove the water pump.

3. Remove the water pump O-ring.


The drive belt tensioner must be unloaded and the drive belt removed

before the water pump is removed.

Page 1 of 1

Jul 25, 2012 | 2003 Pontiac Vibe

1 Answer

Trying to locate and replace the water pump on a 2000 Pontiac Sunfire.....

if your sunfire is a 2.2L the pump is on the right
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and on a 2.4L same place but you need to remove the timming chain cover to reach it

Mar 21, 2011 | 2000 Pontiac Sunfire

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I have a 95 pontiac sunfire, it died on me a lil back ago!! car turns over but wont start, no fuel pump problems!! please what could it be, and how can fix it?

Your, car has a crankshaft sensor that, may not working.
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need to look from under the car.
Or It may just NOT have a good connection.
Wet, DIRT bad connection rust on connector.

Jan 24, 2010 | 1995 Pontiac Sunfire

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Does my 2003 pontiac sunfire ecotec motor have a cam sensor? Where is it? If it starts as soon as u give it gas it cuts out. I've replaced: fuel pump, fuel filter, coil pk, spark plugs, crank sensor,...

there is still more to check. like the mass air flow sensor, the whole fuel line cleanout, and if its an auto it does have a camshaft sensor. its located into the transmission.

Jan 04, 2010 | 2003 Pontiac Sunfire

2 Answers

Does it have a timing chain or a timing belt

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.


Dec 24, 2009 | 1997 Pontiac Sunfire

1 Answer

1998 pontiac sunfire is the water pump located on top of the timing belt or under the timing belt

Unfortunately the water pump is located under the timing belt requiring the belt to be remove to do the water pump.

Nov 06, 2009 | 1998 Pontiac Sunfire

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