Hello! I have some '89 Deville questions...
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, Hello! I have some '89 Deville questions... in Past Cadillac Vehicle Discussion; Hi, so i got my first caddy today. A 1989 Sedan DeVille. With the 4.5 V8. Its my favorit car ...
  1. #1
    XionThePony is offline Cadillac Owners Member
    Automobile(s): 1989 Sedan DeVille
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    Hello! I have some '89 Deville questions...

    Hi, so i got my first caddy today. A 1989 Sedan DeVille. With the 4.5 V8. Its my favorit car iv ever been in, around, or near. So i just have a few questions. First, how reliable are they?I do alot of highway driving, the car runs great by the way. Second... Why would everything on my dash work but not the speedo?

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  3. #2
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Hello! I have some questions...



    I'm going to edit your title to be more descriptive.

  4. #3
    AElayyat's Avatar
    AElayyat is offline Cadillac Owners Connoisseur
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    Those 89's run for ever as long as you maintain it.


    I had one that went to almost 300k, still running but trans went out.

    Enjoy the new ride

  5. #4
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
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    Re: Hello! I have some '89 Deville questions...

    Quote Originally Posted by XionThePony View Post
    Hi, so i got my first caddy today. A 1989 Sedan DeVille. With the 4.5 V8. Its my favorit car iv ever been in, around, or near. So i just have a few questions. First, how reliable are they?I do alot of highway driving, the car runs great by the way. Second... Why would everything on my dash work but not the speedo?
    ------------------------
    First, how reliable are they?
    they are just as reliable as any 24 year old used car -
    a lot depends on total mileage - previous maintenance and care -

    Why would everything on my dash work but not the speedo?
    first question - does it have the analog or digital dash -

    next question - what do you mean?

    everything lights up except the speedo -
    everything functions except the speedo -
    the speedo needle doesn't move - if it's the analog dash -

    we need a better - more descriptive - more precise question -

  6. #5
    XionThePony is offline Cadillac Owners Member
    Automobile(s): 1989 Sedan DeVille
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    Re: Hello! I have some '89 Deville questions...

    Well all the lights work, all the warnings work, the info center and all work, but the speedo and the odometer do not function. Also it is analog.

  7. #6
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
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    Re: Hello! I have some '89 Deville questions...

    Quote Originally Posted by XionThePony View Post
    Well all the lights work, all the warnings work, the info center and all work, but the speedo and the odometer do not function. Also it is analog.
    ----------------
    the speedo and the odometer do not function. Also it is analog

    the VSS - Vehicle Speed Sensor - in the trans - sends the signal to the speedo -

    if you are going to try to do some/all of your own repairs -
    you should get the Factory Service Manual -

    and I just happen to have one -
    along with the original Owners Manual -

    if you are interested - give me your email address -
    but spell it out - something at something dot com -
    and we can talk

    -------------------
    also -
    check for Diagnostic Trouble Codes -

    if you don't know how - go here and read the ENTIRE post -

    http://www.cadillacforums.com/forums...odes-dtcs.html

    if you have any codes - post them here -
    ALONG WITH THEIR DEFINITIONS -

  8. #7
    XionThePony is offline Cadillac Owners Member
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    Re: Hello! I have some '89 Deville questions...

    Thanks! My email is Xionthemare at Gmail dot Com
    thats actually really handy because my owners manual... is gone.

  9. #8
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
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    Re: Hello! I have some '89 Deville questions...

    Quote Originally Posted by XionThePony View Post
    Thanks! My email is Xionthemare at Gmail dot Com
    thats actually really handy because my owners manual... is gone.
    ----------------------
    email sent -

  10. #9
    XionThePony is offline Cadillac Owners Member
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    Re: Hello! I have some '89 Deville questions...

    I have another question.... when i turn my key on, the service engine soon and service vehicle soon light flash on for like a second than shut off, is this normal for a caddy? My saturn the SES light stayed on for atleast a few seconds... I also just checked the codes and had one, it was form the batery being dosconected, so i cleared it. so no codes...

  11. #10
    brougham is offline Cadillac Owners Master
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    Re: Hello! I have some '89 Deville questions...

    It's normal. If there was a problem the light would stay on continuously.
    XionThePony likes this.

  12. #11
    XionThePony is offline Cadillac Owners Member
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    Re: Hello! I have some '89 Deville questions...

    Thank you! Than its official the car runs perfect! ^^ I jsut bled the cooling system... I was getting nervious because it kept bubbling, after i drained it and re filled it with coolant. And additive.... But it stoped after a whial.... I have one more question dose anyone know what type of coolant is best in these cars? also what additive i should use? I currently have universal coolaqnt and 'water pump lube' additive

  13. #12
    drewsdeville is offline Cadillac Owners Master
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    Re: Hello! I have some '89 Deville questions...

    Any coolant will do, additives are unnecessary.

  14. #13
    brougham is offline Cadillac Owners Master
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    Re: Hello! I have some '89 Deville questions...

    Quote Originally Posted by XionThePony View Post
    Thank you! Than its official the car runs perfect! ^^ I jsut bled the cooling system... I was getting nervious because it kept bubbling, after i drained it and re filled it with coolant. And additive.... But it stoped after a whial.... I have one more question dose anyone know what type of coolant is best in these cars? also what additive i should use? I currently have universal coolaqnt and 'water pump lube' additive
    Use the green coolant and some of the sealer tabs. It's a couple bucks for a pack from the dealer. Don't need anything special for the water pump.
    XionThePony likes this.

  15. #14
    XionThePony is offline Cadillac Owners Member
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    Re: Hello! I have some '89 Deville questions...

    Thanks a million! The stuff i added was just called water pump lube, i read the bottle its for preventing corosion... i'll go to Baliese tomorrow and get some sealer tabs... thanks! And am i crazy... or do the seat backs not recline?

  16. #15
    MoistCabbage's Avatar
    MoistCabbage is online now Cadillac Owners 10000+ Posts
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    It was called lube and said it was for preventing corrosion...?

    Coolant does both just fine.

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