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Engine oil cooler - Do I have one? 00' STS

4934 Views 8 Replies 4 Participants Last post by  tbirdboy
I need to buy a radiator soon as mine has a slight crack in the top left side tank. Doing a search for parts and found there are rads' with engine coolers and w/o coolers. How do I know which one I have though I suspect that an STS would have one.

Thanks.

00" STS 89k
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I thought they all had them. Check the radiator side tanks. It should have trans cooler lines on one tank and oil lines on the other.
You should have an independent engine oil cooler located off-center on the passenger side, behind the grille. There is transmission lines attached to the rear side of the driver's side radiator tank. Driver's side behind the grill is the power steering cooler.

If you have a cracked tank, why not replace just the tank? Shops do that, ya know.
Well I guess I could replace the tanks but this mech suggested replacing the whole thing w/ labor for $250 and I also need to replace my front engine mount as well. Getting a whole new rad vs just replacing tanks kind of puts me at ease with piece of mind.
So many many things with this damn car

Pass side headlight assy fell off yesterday and was just hanging there as I came out the gym(plastic tabs broke off and suspect maybe the coolant of a period of time caused it),
I got a driver side weak coil spring so the car looks lowered on the front end, leaking pass side rear shock,
cracked ball joint rear, my right rear muffler is lower than the other which looks wack, tires are going bald on one side due to the suspension,
headliner is starting to come loose and hang down in the back.

Really thinking of just trading it in on a new GMC Sierra or Silverado.
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The easy way to tell is by looking at the oil filter adaptor -- if there are oil lines running from it, it has a cooler. Neither my '97 SLS or my '01 STS had/have oil coolers.
The easy way to tell is by looking at the oil filter adaptor -- if there are oil lines running from it, it has a cooler. Neither my '97 SLS or my '01 STS had/have oil coolers.
If you have these, this is where they would be located.

Upon reading your new details, get the Chevy Silverado! ( I do not trust GMC's warranty - It's not worth the paper it's written on)
Upon reading your new details, get the Chevy Silverado! ( I do not trust GMC's warranty - It's not worth the paper it's written on)
Chevy's warranty and GMC's warranty isn't the same??
Chevy's warranty and GMC's warranty isn't the same??
NOPE.......

I bought an '88 GMC SLE Sierra. 11,000 miles with the transfered full warranty.

The oil cooler adapter leaked at the oil filter gasket....they blamed the Fram filter..... (The adaptor wasn't machined at the filter 'o' ring surface.)

The leaf springs were different from one side to the other, & it leaned 1 1/2 ".... they said, " They work, don't they?" ( One was for a van, the other a pick up )

The transmission 'chattered' ..... They road tested it first thing in the morning and determined it performed "within spec"... While only driving it around the block - one time - 5 minutes, never getting warm & saying the 'burned smell was normal'. ( The lock-up was defective or the planetory was bad)

The optional 34gallon fuel tank held 28 &1/2 gallons. (They blew it off also).

The right fender paint was loosing it's clear coat. They just rubbed it & polished it.... (It required paint removal & re-paint)

The transmission blew up ( DURING WARRANTY PERIOD)..... They owe me $1,200. That's just what I remember.....

I NEVER pushed the truck to break...I took care of it.


Anyone know of a GM executive with integrity? ( Pay me back?)

Chevrolet would have given me a new truck until it was fixed, or fixed everything, and would have given me a new transmission every month if needed.

GMC? They are pricks.

I have 330,000 miles on it changing everything including the front suspension, but the power steering & the rear end. The air is shot but going to buy a new system, and the engine I installed myself is a 350 CHEVY 4-bolt main, and a $3,000 700R4- Art Carr transmission.
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Wow, I thought I had problems...

Well Friday morning I tool the headlight assy to a salvage yard that specializes in Cadi's www.cadillacking.com in Sun Valley,CA and they had a used one for 275. Hell no. Then he said they have a shop that repairs them for 150, replacing the tabs and plastic bolt hole. So I went with that option and should have it back on Monday. I'll report back on that one...Some pics of my current issues, Rad leak, lower front end dr side, etc

Courtesy of my trusty Palm Treo 650...

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