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Hi guys me again the "TOKEN FEMALE" well I am (CRYING) again, I was on the way to see my MOM in the hospital and "Check Coolant Level" came up on the screen. I immediately drove to the dealership and was told the BAD NEWS, my Radiator was leaking and MUST be replaced!!! I only have 2600 Miles and I started Crying, especially after they told me that it might be awhile to even get a new radiator in and they would have to call the GM Rep. first. I see nothing on the garage floor or in the driveway and the car has been running fine. I "LOVE" this car so much that it just makes me feel sad, first the battery and now this. The dealership has been very nice and I know it's not their fault so we will just have to see how long it might take to get the radiator. The car is parked in my garage!!
Appreciate any comments on this.
Thanks, Ginnie
 

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i'm on my second one, excessive rpm's cause more pressure on your cooling system and it leaks. Min has been replaced twice. It was leaking around the crimped area along the bottom
 

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Document ID# 1646386
2004 Cadillac CTS


--------------------------------------------------------------------------------

Coolant Leak (Replace Radiator) #05-06-02-005 - (Apr 12, 2005)
Coolant Leak (Replace Radiator)
2004-2005 Cadillac CTS-V

Built Prior To and Including VIN Breakpoint 50193910

Condition
Some customers may comment on a coolant leak. Upon investigation, the technician may find that the leaks appears to be coming from the lower radiator tank near the lower hose outlet.

Cause
The cooling system may experience increased internal pressures during sustained high RPMs at elevated operating temperatures. This increased pressure may cause a weakening of the core-to-tank mating surface in the area where some tabs were not crimped.

Correction
Replace the radiator with GM P/N 89022478. This radiator has been revised to include additional crimping on the lower tank. Refer to the Radiator Replacement (LS6) procedure in the Engine Cooling sub-section of the Service Manual (SI Document ID #1389672).

Parts Information
Part Number
Description

89022478
Radiator Assembly


Parts are currently available from GMSPO.

Warranty Information
For vehicles repaired under warranty, use:

Labor Operation
Description
Labor Time

J3100
Radiator Assembly -- Replace
1.4 hrs*

*This time is updated from the current Labor Time Guide. The next update of the Labor Time Guide will contain this change.




GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information.
WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION


© Copyright General Motors Corporation. All Rights Reserved.


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Document ID# 1646386
2004 Cadillac CTS
 

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Feline? Sustained high RPM's huh? Bad kitty! :tisk: :histeric:
 

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As I understand it, the radiator has been beefed up and has a new part number....just be certain you get the new one......I feel good---mine lasted 11K miles
 

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the new one is MUCH better, just had it put in (was a real pain to get it they are really low on them right now), but the car runs MUCH cooler now.

the oil temp used to be aroudn 253-257 and now it hasn't gone much over 230 and the coolant temp is down about 10 degrees too. Overall it is good you are getting the new one. Don't cry too hard I lost mine for 29 days of the summer this year.
 
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I wouldn't advise adding straight water. I would add a 50/50 mix of distilled water and the approved coolant otherwise the next problem you will be having is boiling over. If you don't want to play chemist, you can buy pre-mixed coolant that already has the water mixed in, expensive but it will stop you from having to futz with the mix. The addition of GM's cooling supplement might help also, but since you are getting your radiator replaced, I will forgo it. Mike (Scotty)
 

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well, sure from a purist standpoint 50/50 is best....
but she may not have any antifreeze lying around.
I have one of the "bad" radiators...i've added 50/50 3 times now. I'll be damned if they're taking my car apart for a minor issue. It usually takes a whopping 8 ounces of mixture to top the reservoir off. 8oz of straight water is insignificant, especially if she's getting it fixed. Besides, it's such a slow leak, I need that 8oz every 4 months, LOL.
no biggie

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I just make it a practice never to put straight water in the resouvior, small leak or not, its not a purist view, its the idea that I don't want LESS than a 50/50 mix ever, and putting water in will cause that. Not only that, and this is from the guru himself who is no longer around, using tap water is a no-no, distilled water only. Well the more I look around, maybe I am a purist and didn't realize it, who knows...
 

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this is so funny, mine is at the dealer right now for the shifter...they call and say i have a radiater leak...never had any sign of this...no mark in driveway...no notification through the car...like low coolent leval...weird...i still love her though...the car feline...:rolleyes:
 
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Could the dealers be using this excuse to generate revenue? Anotherwords, SOME have radiator problems, and the dealer is using the radiator and charging GM? Could they get away with that?
 

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Adding distilled water is the best solution... so she's not at exactly a 50/50 mixture... unless youre in Alaska or the Sahara dessert, it wont matter, until the radiator gets replaced. There's no real problem even adding tap water... Tap water will *eventually* rust the radiator... hmmm... but she's getting a new radiator...
 

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Feline, just add something and drive the car, as long as its set for repairs you're not going to cause any problems. Hell we run straight water in our race cars.

Aluminum doesn't rust last time I checked.

And I am pure as the driven slush mind you.
 

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Maybe fisher should make it a practice to learn how to spell "resouvior". How about reservoir. Adding straight water just lower the boiling point.
 
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I don't want to beat a dead horse here but:

The reason that you should only use distilled water at this point is to avoid mineral deposits which will deteriorate your cooling system over time.

Ordinary tap water contains hard water salts such as calcium and magnesium. This can lead to the formation of deposits or scale build-up in cooling systems which, in turn, can impede crucial heat transfer," explains Dale McKenzie of Prestone Products Corporation, one of the world's leading antifreeze experts. "The other chemicals commonly found in most tap water deplete the inhibitors in an antifreeze and can increase the rate of corrosion of cooling system components."

If she introduces TAP WATER into the cooling system I highly doubt that the dealer will flush her BLOCK when they replace the radiator, and the contaminants will remain in the block and eventually cause problems, why chance that? SHORT TERM is not the issue here, the issue is that the DEALER will NOT flush out the entire cooling system leaving the contaminated tap water deposits.

With regard to the 50/50 mix, it does not matter whether you are in the SAHARA desert, LESS than a 50/50 mix is not recommended as it lowers the boiling point. The first time this car is in bumper to bumper traffic it will boil over due to a lowered boiling point, the Sahara desert has nothing to do with it. EGOS and spell checkers aside, if we are going to provide advice lets try to provide prudent, well thought out advice and stop contradicting each other.
 

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CTSVONFIRE said:
Maybe fisher should make it a practice to learn how to spell "resouvior". How about reservoir. Adding straight water just lower the boiling point.
Maybe you should learn proper grammar. Adding straight water just lowers the boiling point.
 
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