RE: An interesting culprit to overheating

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RE: An interesting culprit to overheating

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RE: An interesting culprit to overheating - 9/4/2007 2:14:29 PM

JP500

Posts: 40
Joined: 2/4/2007
Status: offline Thanks. Scoured the whole web and no one had an answer for that one.

(in reply to Stealth)

Post #: 21

RE: An interesting culprit to overheating - 9/4/2007 5:03:41 PM

Stealth

Posts: 3005
Joined: 2/18/2007
Status: offline

quote:

ORIGINAL: JP500

Thanks. Scoured the whole web and no one had an answer for that one.

like we say,
there are REAL Techs here ..

glad he had the answer for you.

_____________________________

Simply CLICK on the Allante banner here to JUMP to our Allante section.

(in reply to JP500)

Post #: 22

RE: An interesting culprit to overheating - 9/10/2007 11:55:08 AM

Katzmans Caddy

Posts: 1279
Joined: 12/3/2006
Status: offline
quote:

ORIGINAL: JP500

[In a car that's notorious for head gasket issues, it's very unsettling to sit in rush hour traffic on a 100 degree day with the Air Conditioner blasting as your temperature gauge is too high. I'm thankful because the warmest days of the year are behind us in the Northeast.

For now I guess I'm going to hold off on doing anything else.

Just came across this series of posts. First I don't think an 01 Northstar is notorious for head gasket issues. Early engines maybe but not 01, especially when proper maintenace is done on the cooling system.
I agree that 220 degree readings are ok because the protection mode kicks in at 248 degrees. The fact that the protection mode did kick in points to a problem however. Northstar water pumps are not like a conventional water pump on say a Chevy small block and I have seen them go bad and barely show any signs of leakage or fault. The pump is on the drivers side of the engine not on the passenger side with all of the driven accessories so even if you were looking for a leak you probably are looking in the wrong place.

I suspect the water pump is either bad or going bad based on everything posted here.

(in reply to JP500)

Post #: 23

RE: An interesting culprit to overheating - 9/28/2007 11:51:05 AM

97caddyd

Posts: 2
Joined: 9/26/2007
Status: offline Hello Jp500 any updates on the overheating problem u r having??? I have 97 deville 95k and i am having similiar problems when i am sitting in traffic on my way to work. I also like in the boston area so i am in traffic everyday going to work. My caddy will creep up to about 226 degree then will kick back down to 217 and then go to 205 and stay for alittle bit then jump back up slowly by 4to5 degree each time. Wondering if my fans are not moving as fast as they should on something wrong with what ever sensor or sensors call the fans to engage and at what degree. please advise with any news. Yeah and Olsen Cadillac is very awesome!!!!! When i purchased my 97 deville 1 yr ago i took it to them to look everything over and they were sooooooo helpful and polite. I also got 3 phone calls and a letter asking if their service was good or not. Very pleased

(in reply to Katzmans Caddy)

Post #: 24

RE: An interesting culprit to overheating - 9/28/2007 12:17:21 PM

Katzmans Caddy

Posts: 1279
Joined: 12/3/2006
Status: offline Have a read of this link.

http://www.cadillacforum.com/m_12400/tm.htm

(in reply to 97caddyd)

Post #: 25

RE: An interesting culprit to overheating - 10/2/2007 10:18:50 AM

JP500

Posts: 40
Joined: 2/4/2007
Status: offline Just to reply, everything's running ok in my car now.

Thankfully the weather has cooled off considerably. After olsen diagnosed the car I pretty much stopped worrying about it. I ran all the codes and nothing major came up. I really can't say for certain whether engine protection mode ever came on; I just noticed a substantial reduction in power as though the car were running on four cylinders.

(in reply to Katzmans Caddy)

Post #: 26

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