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Cadillac Seville / Cadillac Eldorado Forum Discussion, WTF is up with this Eldo? in Past Cadillac Vehicle Discussion; Not sure if this helps, but I have seen much worse....
  1. #31
    ewill3rd is offline Cadillac Technician
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    Re: WTF is up with this Eldo?

    Not sure if this helps, but I have seen much worse.

  2. #32
    the recluse is offline Cadillac Owners Connoisseur
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    Re: WTF is up with this Eldo?

    Did what I thought it would do. Swapped the injector (#5 for #7) and now the #7 plug is completely fouled and the #5 plug looks good. So obvious conclusion would be injector, right?

    Again, it comes to a bittersweet realization. On the one hand, the R & R doesn't need to be done on the top, BUT, a new injector costs $80.

    And, I still have to replace the waterpump

  3. #33
    ewill3rd is offline Cadillac Technician
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    Re: WTF is up with this Eldo?

    I'd say you did a smart thing, swapping them and rechecking to see if your miss moved is an excellent idea.
    If it did move then I'd say you found the culprit.
    Did you ohm test it while it was off?

    Be glad you don't need a set of 8!!!
    I can give you some pointers on the water pump on a 4.9, let me know when you are ready.

  4. #34
    the recluse is offline Cadillac Owners Connoisseur
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    Re: WTF is up with this Eldo?

    DONE and DONE!

    The tapping is gone in the radio and car runs great! Literally a 135 ft patch of rubber laid out in the street.

    Went to the bone yard and picked up a couple of injectors and a trunk closer motor for $25. My guess is the injector was shorting out inside itself, causing the tapping and of course the lack of fuel dispersion.

    I'm just glad it wasn't the intake gaskets

    Now, on to the waterpump...

  5. #35
    the recluse is offline Cadillac Owners Connoisseur
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    Re: WTF is up with this Eldo?

    ewill3rd, what tips for this waterpump? I gotta get this pulley cover off of the impeller, but am facing problems...

  6. #36
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: WTF is up with this Eldo?

    The pulley cover (stamped steel) comes off with 2 or 3 bolts. You do NOT remove the water pump pulley. Remove the water pump tensioner and belt. Drain the coolant. Remove the water pump housing cover and thermostat hose assembly. DO NOT fool with the water pump drive pulley which is pressed onto the front intake cam snout.

    The water pump assembly capsule is retained by tangs. You use a special socket and retainer strap (Auto Zone, Pep Boys, etc.) to rotate the entire capsule clockwise 1/4 turn and the whole damn thing comes out. Remember what the installed tang location is. Lubricate the new capsule seal with a tad of Vaseline and replace the new assembly and seal and rotate it counter clockwise to lock it into the housing. Replace the housing with a new seal ring/gasket and refill and bleed the system.

  7. #37
    ewill3rd is offline Cadillac Technician
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    Re: WTF is up with this Eldo?

    Oh man, bump this for tomorrow someone.
    I am too tired.
    Sub, this is a 4.9 bro.
    You are stuck in N* land... lol.

    At least I think so, the original topic here was a 4.9 Eldo right?

  8. #38
    the recluse is offline Cadillac Owners Connoisseur
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    Re: WTF is up with this Eldo?

    Yeah, 4.9

  9. #39
    the recluse is offline Cadillac Owners Connoisseur
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    Re: WTF is up with this Eldo?

    Finished the water pump finally, had to use one of those rubber strap type oil filter wrenches to hold the pulley tight enough to get it off. Flushed the system six ways to Sunday and all kinds of crap came out...hopefully I won't need a radiator soon.

    Thanks guys for all your input, I really appreciated it

  10. #40
    ewill3rd is offline Cadillac Technician
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    Re: WTF is up with this Eldo?

    Sorry I didn't get back in time with my 4.9 water pump tips
    Hopefully it wasn't too painful.

  11. #41
    the recluse is offline Cadillac Owners Connoisseur
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    Re: WTF is up with this Eldo?

    Now I've come back to the infamous E048 code (EGR Valve) and the E052 (Air control door). The car is blowing really hot air in the cabin. I know it's probably the vacuum line that controls it, but I can't find it.

    As far as the EGR, how should I chase that issue?

  12. #42
    the recluse is offline Cadillac Owners Connoisseur
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    Re: WTF is up with this Eldo?

    Found the main cause of the climate door not working, all the vacuum lines in the car (under the hood) where dry rotted and nasty; car more than likely had vacuum leaks to boot. About thirty minutes and 6 feet of new vac line, the door now works...

    Now to test the EGR system...any thoughts...

  13. #43
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: WTF is up with this Eldo?

    Not sure how to test it, but now that you have vacuum, it is probably fine.

  14. #44
    the recluse is offline Cadillac Owners Connoisseur
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    Re: WTF is up with this Eldo?

    Maybe, but I don't think so as the EGR system draws its vacuum directly from the throttle body and runs through a solenoid.

    May need to try a vacuum test on it and see if the diaphram has a leak. If not, how does one test the solenoid?

  15. #45
    Ranger's Avatar
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    Re: WTF is up with this Eldo?

    Why are you concerned? The diaphragm is easy. Just put a hose on the nipple and suck. You should be able to feel the diaphragm draw up with a finger from underneath. Plug the hose with your tongue and it should hold vacuum. This is of coarse if you do not have a hand held vacuum pump. The solenoid is another story. I'd have to see the FSM to know how to do that.

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