Sporadic SES light and exotic codes - friend's 2004 DTS - Page 12
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, Sporadic SES light and exotic codes - friend's 2004 DTS in Past Cadillac Vehicle Discussion; Do I have to/should get any other parts while in there? I can't think of any other parts you need. ...
  1. #166
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Sporadic SES light and exotic codes - friend's 2004 DTS

    Do I have to/should get any other parts while in there?
    I can't think of any other parts you need.

    Hate this car
    Kinda sounds like the feeling is mutual.

  2. #167
    c_d
    c_d is offline Cadillac Owners Fanatic
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    Re: Sporadic SES light and exotic codes - friend's 2004 DTS

    Quote Originally Posted by Ranger View Post
    I can't think of any other parts you need.
    Good, thank you. I was worried that a thermostat has to go or something.

    Quote Originally Posted by Ranger View Post
    Kinda sounds like the feeling is mutual.
    In my defense: everyone does. :-) The owner, my mechanic who could have made a fortune on this thing, yet another friend who suffers because he has a nice and quite complete snap-on toolbox. The only person voicing soft feelings towards the Deville is my wife but when put on the spot I hear the Beetle drive away.

  3. #168
    c_d
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    Re: Sporadic SES light and exotic codes - friend's 2004 DTS

    I went with bascatt's recommendation, the Spectra radiator is here. Last night, I tried to educate myself on the installation procedure but alldatadiy has no installation information at all.

    I searched the board and the results are mixed, in particular regarding whether or not the fans and the A/C condenser have to a) come out, b) just be loosened, c) can stay where they are. Same question for the fans.

    I am slightly confused about the transmission cooler connection as well, some say I need a "2-wrench approach", others just one wrench and it's off, yet others say no wrench but a quick disconnect tool. There is one reference about putting plastic bags over the hose ends to avoid contamination of the transmission fluid, does this mean I should have a canister ready to replenish any unavoidable fluid spills?

  4. #169
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Sporadic SES light and exotic codes - friend's 2004 DTS

    This is nothing that needs specific instructions. Just remove the radiator sight shield and probably the lower air deflector as well. Then remove the upper mounts and anything else that's in the way. Trans cooler lines will become apparent when you see them. Cooling fans will have to be removed. Condenser should not have to be touched.

    Tech Tips:
    This is for a '97, but there's not a lot of differences.
    http://www.cadillacforums.com/forums...7-deville.html

  5. #170
    c_d
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    Re: Sporadic SES light and exotic codes - friend's 2004 DTS

    Crap as usual - new radiator is installed. Pressure tested the system, there is a new leak now in what I believe is the water pump. It's not as violent as the cracked radiator side tank but a steady drip.

    IMG_2775rr.jpg


    Just keeps getting better and better.

  6. #171
    Ranger's Avatar
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    Re: Sporadic SES light and exotic codes - friend's 2004 DTS

    If I'm looking at what I think I'm looking at, yeah my guess would be the WP shaft seal. Fortunately it's not a bad job, but you do need the special WP socket.

  7. #172
    c_d
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    Re: Sporadic SES light and exotic codes - friend's 2004 DTS

    Ranger, I am getting confused with the many seals and gaskets regarding the water pump and its housing. Is that an option:

    http://www.amazon.com/Victor-Reinz-E.../dp/B001DHEBLI

  8. #173
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    The water pump shaft seal isn't replaceable, you'll need to replace the pump, which will come with the pump to crossover seal. You can buy the pump cover gasket for a couple of dollars.

    I haven't been following this thread closely. Do you need to replace the crossover gaskets? If not, you don't need that gasket set.

  9. #174
    c_d
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    Re: Sporadic SES light and exotic codes - friend's 2004 DTS

    Moist, my friend has had the crossover and its gaskets repaired in January, from the price he paid this was quite an extensive repair. The current problem is that we have gradually replaced all leaking parts in the cooling system, starting from the hoses, over the surge tank, and finally the radiator (side tank) itself. Currently, a new (or formerly undetected) leak has developed in the water pump area.

    Ranger was kind enough to point me to a waterpump gasket but I was unable to get one simply because there is no single gasket but many :-)

  10. #175
    MoistCabbage's Avatar
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    Ranger thinks it's the shaft seal, which would be my guess as well. As posted, it isn't replaceable, you'd have to replace the pump.

  11. #176
    naif is offline Cadillac Owners Connoisseur
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    Re: Sporadic SES light and exotic codes - friend's 2004 DTS

    The water pump replacement isn't bad - I did it in a morning using http://www.cadillacforums.com/forums...ent-steps.html as a reference (very good steps!) - only consideration was that I had to move the cruise control module to get enough space to remove the airbox. The tool listing that is in that post is complete - I know because I had to buy all of them as I was travelling when my water pump decided it was a good time to start knocking (no, really - it sounded like a heavy knock, but went away when I took off the WP drive belt... the WP bearing was completely shot and had maybe 10 degrees of wobble in every direction)

    You will make a mess when removing the water pump cover, but beyond that it's not bad.

  12. #177
    c_d
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    Re: Sporadic SES light and exotic codes - friend's 2004 DTS

    Guys maybe I'm really overly stupid - what is the housing cover gasket? The rectangular one or the double-circular?

    Bosch or ACDelco?

  13. #178
    naif is offline Cadillac Owners Connoisseur
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    Re: Sporadic SES light and exotic codes - friend's 2004 DTS

    http://www.cadillacforums.com/forums...ml#post2351062 - that's probably what you're thinking of?

    ACDelco is most likely a better choice - the difference in cost should be minimal.

  14. #179
    c_d
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    Re: Sporadic SES light and exotic codes - friend's 2004 DTS

    Quote Originally Posted by naif View Post
    http://www.cadillacforums.com/forums...ml#post2351062 - that's probably what you're thinking of?

    ACDelco is most likely a better choice - the difference in cost should be minimal.
    Thank makes sense and pictures help a lot, thanks naif! I was reading about the upgraded cover and gaskets but I guess a 2004 Deville should have it.

    The Bosch was more expensive but it at least stated to include the o-ring gasket.

  15. #180
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    Re: Sporadic SES light and exotic codes - friend's 2004 DTS

    The several water pump capsules (assemblies) in RockAuto all come with the inner O-ring seal. The water pump cover/thermostat housing does too, but you can get the seal (gasket) separately............. and the new style seal will not work in the old cover.

    Here's the difference between the two water pump covers.........

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