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My 2003 Cadillac CTS has no temp gauge, and my radiator has a small leak, how could I tell if my car won't overheat once I fix the problem with the radiator if I have no temp gauge?

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  • Cars & Trucks Master
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You can't.. Best to get the temp gauge working before you drive it as an engine will overheat within 10 minutes if you have a fault

Posted on Jan 14, 2013

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Posted on Jan 02, 2017

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SOURCE: 1996 Pontiac Grand Am overheating

If its the 3.1L it could be your intake manifold gasket , the material used for the gasket does not react well with GM's Dex-Cool antifreeze. The leak may not be apparent at first, but I would pressure test the cooling system. If you look at the front of the motor by the belts , try to peek down at the intake manifold and check for slight seapage to an obvious leak.

If its either of the Quad-4's they were notorious for heads warping or cracking.

Posted on Feb 03, 2009

  • 54 Answers

SOURCE: Burning rubber smell inside car-2003 CTS Cadillac

Diagnosing this will be subject to a process of elimination. It could be the radio, blower motor or any other accessory particularly ones with moving parts; Try switching those off and try to note when this problem occurs and what is on/whatyou are doing. Something is getting hot causing the smell so it will be a situation where the accessory will have to run a while before doing it. It is a possibility that there is an electical curcuit overheating, but less likely. Lets rule out accessories first and give us an update. GL

Posted on Feb 04, 2009

  • 11057 Answers

SOURCE: 2003 cadillac cts v6 3.2 liter. white smoke

u have a leak in the heater core the oily smell and mist is anti freeze sounds like a small leak because usually u would have a wet floor if it was large -two choices check and repair as necessary the core or can use an additive with a stop leak they usually work well on small leaks

Posted on Dec 14, 2009

  • 1 Answer

SOURCE: 1999 Cadillac DeVille Problem

1999 cadillac deville lights come on but wont go off

Posted on Feb 05, 2010

  • 73 Answers

SOURCE: car leaks coolant but does not overheat 2004

water pump weep hole leaking replace pump

Posted on Aug 23, 2010

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Related Questions:

1 Answer

3.2l. Do I need to look for major damage if the serpentine belt breaks?


Only if the engine overheats. The heads can warp and the radiator might spring a leak. If the engine did not overheat, then just replacing the belt is all you need to do without any worries.

Jan 16, 2016 | 2003 Cadillac CTS

1 Answer

Should the engine be running when adding coolant to my 2003 cadillac cts


If you just drained it & are refilling,then yes,the engine
should run & warm up until the thermostat opens & you
keep adding.

If it isn't hot & circulating thru the entire system, you won't
get it close to full with the rad cap off

Jun 10, 2012 | 2003 Cadillac CTS

1 Answer

2003 Cadillac CTS won't start after disconnecting battery


Don't do that again! You will need to re-boot the on board computer system by entering a code. Call your nearest Cadillac dealer.

Nov 28, 2011 | 2003 Cadillac CTS

1 Answer

My 2004 Cadillac cts ran low on oil to a small leak on the freeway, the car shut off as soon as the low oil light came on. I am sitting in a rest stop 250 miles from home. I walked a few miles in the rain...


You should be able to start, what is the fluid level bring it to the recommended level crank it allow the lifter to solidify and compression will build up

Jun 05, 2011 | 2004 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

2003 cadillac cts v6 3.2 liter. white smoke


u have a leak in the heater core the oily smell and mist is anti freeze sounds like a small leak because usually u would have a wet floor if it was large -two choices check and repair as necessary the core or can use an additive with a stop leak they usually work well on small leaks

Dec 14, 2009 | 2003 Cadillac CTS

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