94 Deville maintenace questions... noisy accessory???
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, 94 Deville maintenace questions... noisy accessory??? in Past Cadillac Vehicle Discussion; 94 Deville - 4.9L - 75,000 miles (120,000 kms) ex-Mary Kay unit. I bought the pink panther last weekend at ...
  1. #1
    pink panther is offline Cadillac Owners Member
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    94 Deville maintenace questions... noisy accessory???

    94 Deville - 4.9L - 75,000 miles (120,000 kms)
    ex-Mary Kay unit.
    I bought the pink panther last weekend at an auction- there were no owner's manual, or maintenance records in it.

    When running, there is a noise from the right side of the engine - from one of the accessories. Sounds exactly like when P/S fluid gets low - but I checked that and it is up.

    Are there other accessories/idlers that get noisy .

    No grinding like a bad bearing - just that sort of a whine/hum like a p/s unit low on fluid.

    ALSO -

    Even though the monitor says there is 58% oil life remaining, I want to do an oil change ASAP.

    What is recommended oil viscosity? Winter - highway conditions.
    What is best quality recommended oil filter brand??
    How and where does one reset the oil life sensor????

    Thanks in advance.

    Still trying to get my head around the fact that such a luxurious big car delivers 30+ CDN mpg!!! And all those years I spent driving smaller cars for "economy's" sake.

    Now it is clear why people drive Cadillacs - because they WANT TO!!!!!!

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  3. #2
    Ralph's Avatar
    Ralph is offline Cadillac Owners 10000+ Posts
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    Re: 94 Deville maintenace questions... noisy accessory???

    Quote Originally Posted by pink panther
    94 Deville - 4.9L - 75,000 miles (120,000 kms)
    ex-Mary Kay unit.
    I bought the pink panther last weekend at an auction- there were no owner's manual, or maintenance records in it.

    When running, there is a noise from the right side of the engine - from one of the accessories. Sounds exactly like when P/S fluid gets low - but I checked that and it is up.

    Are there other accessories/idlers that get noisy .

    No grinding like a bad bearing - just that sort of a whine/hum like a p/s unit low on fluid.

    ALSO -

    Even though the monitor says there is 58% oil life remaining, I want to do an oil change ASAP.

    What is recommended oil viscosity? Winter - highway conditions.
    What is best quality recommended oil filter brand??
    How and where does one reset the oil life sensor????

    Thanks in advance.

    Still trying to get my head around the fact that such a luxurious big car delivers 30+ CDN mpg!!! And all those years I spent driving smaller cars for "economy's" sake.

    Now it is clear why people drive Cadillacs - because they WANT TO!!!!!!
    Hey Dude. I'm not sure about your noise, but my owner's manual recommends 10w30. The consensus around here is to change the oil when the life monitor hits 50% (3600 kms in mine)

    My oil life monitor resests when you press "Range" and "Reset" at the same time for about 5 secs.

    I'm getting 20+ city, and 25-34 highway. My friends didn't believe me until I showed them!

  4. #3
    Stoneage_Caddy's Avatar
    Stoneage_Caddy is offline Cadillac Owners 10000+ Posts
    Automobile(s): Gobi 01 Frontier/Ishi 96 Nighthawk/Gladys 94 Deville I Loved
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    Re: 94 Deville maintenace questions... noisy accessory???

    i have the same noise , ive got one bad idler pulley and a nasty powersteering pump, i hear alot fo 4.9s around town with the same problem , were not alone , one day if i find a deal on a new non remanufactured pump ill get one and stick it on. tensioner pulley are 88 bucks (us) and the idler is 23 (us) i have no clue on a NEW pumps price

    on flat level terrain at 60 mph i get 32 mpg in the active mpg mode, but i average 17.5 mpg on my regualer 200 mile cycle , im getting 16.4 this week (ive been very angry behind the wheel sevreal times)

  5. #4
    DaveSmed's Avatar
    DaveSmed is offline Cadillac Owners Connoisseur
    Automobile(s): 1968 Cadillac Sedan deVille, 1994 Chevrolet G20
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    Re: 94 Deville maintenace questions... noisy accessory???

    Hey, in the mean time, just tell everyone that you have a supercharger

  6. #5
    Stoneage_Caddy's Avatar
    Stoneage_Caddy is offline Cadillac Owners 10000+ Posts
    Automobile(s): Gobi 01 Frontier/Ishi 96 Nighthawk/Gladys 94 Deville I Loved
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    Re: 94 Deville maintenace questions... noisy accessory???

    good idea , sure sounds like a blower

    "is that a 671 under there ?"...."yup"

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