Question about 2003 Cadillac CTS

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How do i replace water pump on a 2003 cadillac cts n hw do i knw if its no good

My message center says engine overheating ac off than says turnoff engine

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Bad thermostate....

Posted on Dec 01, 2014

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Removing the timing chain cover to gain access to the water pump is a tedious job. Consider ruling out other causes such as a defechive coolant sensing unit which is relatively commom. Can you leave your hand on the radiator cap or is too hot?

Posted on Dec 01, 2014

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If the engine is overheating, the most likely cause is a bad thermostat. It is located under the water intake housing at the top of the engine. The housing is held on by two bolts and is an easy and cheap fix. A new thermostat runs $9.23 to $12.90 at Rock Auto.

Posted on Dec 01, 2014

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Posted on Jan 02, 2017

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SOURCE: replaced water pump. thermostat. radiator, filled

Try backflushing,if this doesn't solve the problem,..then it could be the distributor,they can make the car run hot if the are going out.

Posted on Apr 13, 2009

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SOURCE: Replace 2005 Cadillac CTS water pump

drain the coolant.remove belt by rotating belt tensioner cllockwise. water pump pulley will require a holding tool to keep it from turning while removing bolts. access to air ratchet can sometimes eliminate the need to hold but be careful cause thats a good way to skin some knuckles. also make installation more difficult to obtain proper torque. after pulley is off just a few water pupm mounting bolts remain. clean and dry gasket surface very well before reinstalling.

Posted on Nov 07, 2009

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SOURCE: 2003 Cadillac CTS cuts off after 20 minutes. The filter, relay

Try having your braking system checked, it may be a vacuum problem. I had the same problem and it was a vacuum problem...it's easy to fix.

Posted on Apr 18, 2009

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SOURCE: how to replace awater pump in a cadillac 2003 cts

water pump is in behind timing cover....drain coolant remove timing cover, remove the water pump bolts. remove the water pump and the seal(note..do not reuse this seal)....reverse procedure for installation

Posted on Nov 14, 2009

SOURCE: Need to replace water pump on a 03 Cadillac cts I

I do not mean to be hurtful and it will take some time to do. Maybe all day if you have no experience. If you need instructions just maybe you should have some do it for you.

Posted on Feb 08, 2010

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Related Questions:

1 Answer

Leaking coolant from pulley, 2005 cadillac cts is there a seal I can change?


What pulley ? Where is located ? center front of the engine ? Probably the water pump is bad . No seal to replace . What size engine ? 2.8 , 3.6 or 5.7 L

Oct 02, 2016 | 2005 Cadillac CTS

1 Answer

My car is a 2003 cadillac cts. the car overheated and drove for 2 blocks and parked, it runs but it needs to be fixed. what needs to be fixed/replaced?


make sure you have antifreeze in it start the car and see if its leaking out of the block...if so it soounds like a head gasket job ....if not it could be a water pump seal ....or a stuck close thermastat .....if your radiator is leaking from the front of the vehicle this would be the cheapest an easiest fix

May 18, 2011 | 2003 Cadillac CTS

1 Answer

2005 cadillac cts base water pump replaced by unauthorized dealer. Now "check coolant light is coming on again" Any thoughts on this matter


If there is no indication of overheating, the check coolant light is probably triggered by a sensor indicating low coolant level. It's also possible that there is air trapped in the cooling system from when the water pump was replaced. Trapped air could cause the sensor to throw the trouble light. Bleed the air from the cooling system and see if the light goes out. You may have to clear the light after bleeding the system.

Jan 20, 2011 | 2005 Cadillac CTS

1 Answer

I have a 2003 Cadillac cts and there is a message on the information center that says "msg tp" and I can't find anywhere what the tp stands for. I thought it was tire pressure but I checked the tire...


eon=enhanced other networks..means a stonger signal/ same station is being recieved.
ta/tp=traffic info from stations tuned into (if applicable)they send out traffic info like bad weather/jams,so you have a stored message.....
made me laugh though "tyre pressures on the radio"
(you hum it i'll play it..).

Jun 19, 2010 | 2003 Cadillac CTS

2 Answers

Need to replace water pump on a 03 Cadillac cts I


I do not mean to be hurtful and it will take some time to do. Maybe all day if you have no experience. If you need instructions just maybe you should have some do it for you.

Feb 08, 2010 | 2003 Cadillac CTS

1 Answer

How to replace awater pump in a cadillac 2003 cts


water pump is in behind timing cover....drain coolant remove timing cover, remove the water pump bolts. remove the water pump and the seal(note..do not reuse this seal)....reverse procedure for installation

Nov 14, 2009 | 2003 Cadillac CTS

1 Answer

2003 cadillac cts will not blow hot air, but my air condition blow cold air


Is the engine temperature at the proper point?
Since the AC works, I assume the fan is blowing. This means I would look at the temperature sensors and control unit next. Try varying the temperature setting way up to see if there is a point where it starts working.

Oct 18, 2009 | 2003 Cadillac CTS

3 Answers

Installing a serpentine belt on a 2003 cadillac cts


There is a belt routing sticker under the hood, other than that and a few hand tools there is a problem to replace this belt.

Nov 21, 2008 | 2003 Cadillac CTS

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