03' Deville, Road Trip maintenance?
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, 03' Deville, Road Trip maintenance? in Past Cadillac Vehicle Discussion; Hello, I have a 2003 Deville Base, which i got 3 months ago, it has 137,xxx miles, It passed smog ...
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    Blue Raptor's Avatar
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    03' Deville, Road Trip maintenance?

    Hello,

    I have a 2003 Deville Base, which i got 3 months ago, it has 137,xxx miles, It passed smog last week!
    I have a 468 mile trip to So Cal and wanted to know what maintenance i should do before hand? I do notice
    a bit of shaking at start up (57 degrees) for about 10 sec and does not do that every start up, maybe every 6th.

    I took it to the shop for a check up, came back with leaking valve cover gaskets, tear and wear on tie rod boot, and leaking rear shocks.

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    Re: 03' Deville, Road Trip maintenance?

    All the current issues you listed theoretically could wait, although it wouldn't hurt to do all at some point.

    If there's nothing obvious (misfire, SES light on, etc.) I'd say go for it.

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    Blue Raptor's Avatar
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    Re: 03' Deville, Road Trip maintenance?

    ***UPDATE***

    I went to check the spark plugs, and after removing the coil pack, and when i removed the boot, to my surprise the spark plug chamber was flooded with oil!
    I soaked up as much as i could with a rag, i removed a spark plug and it was an Autolite platinum plug, the exposed tip of the center electrode was almost gone!

    So i'm thinking time for a new valve gasket and new plugs!

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    Re: 03' Deville, Road Trip maintenance?

    Many of these Northstars have oil weeps into the plug wells - O-rings do that over time. Normal. (Oil is an insulator - not a cause of a miss - and no moisture in there, either !!!)

    Clean it all out, stick in a new set of AC Delco #41-987 Platinum plugs and a set of boots and drive it another 150,000 miles.

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    Re: 03' Deville, Road Trip maintenance?

    Quote Originally Posted by Submariner409 View Post
    Many of these Northstars have oil weeps into the plug wells - O-rings do that over time. Normal. (Oil is an insulator - not a cause of a miss - and no moisture in there, either !!!)

    Clean it all out, stick in a new set of AC Delco #41-987 Platinum plugs and a set of boots and drive it another 150,000 miles.
    Thought so, Before heading out for thanksgiving weekend, my maintenance list as follows,

    Oil Change (5W30 Mobile 1)
    Spark plugs (AC Delco 41-987)
    Felpro Valve Cover Gasket
    Insulator Boots
    Brake pads and rotors (rotors are warped)

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    Re: 03' Deville, Road Trip maintenance?

    Changing those cam covers is not going to be as easy as you think. Remember, it took 10 year to accumulate that much oil. I'd just clean 'em out when I changed the plugs and check 'em again in 5 years.
    Blue Raptor and LoveMyLac like this.

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    Re: 03' Deville, Road Trip maintenance?

    Thanks, This is how she currently sits!

    Caddy (1).jpgIMG_3704 (1).jpg

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    Your rotors shouldn't be warped.

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    They can't "warp".

    Sometimes a shimmy isn't caused by uneven runout, but a buildup of pad material. Braking hard several times from highway speeds to ~15/20MPH (followed by driving a couple of miles for the brakes to cool) can fix the problem.

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    Re: 03' Deville, Road Trip maintenance?

    Well what i meant from being warped, the car vibrates when braking at highway speeds, i tried having them turned, but they couldn't anymore, so i purchased new ones along with cermaic pads.

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    Re: 03' Deville, Road Trip maintenance?

    Your engine takes exactly 7.5 quarts of oil with filter - that filter will dump a half cup of oil down your arm - have the drain pan ready. Install the filter, gasket oiled, hand tight. Your oil level should be here on the dipstick - no higher........

    <=== ADD XXXXXXXXXX OPERATING RANGE =============oo=======================O

    The transmission is a dry sump unit - there will be NO fluid on the dipstick with the engine off. Check only with the engine warm, idling in P on a level surface. You might consider a dealer fluid exchange to the new (2006) DEXRON-VI.

    Before you start, forget about changing the cam cover seals.

    Brakes - remember that you cannot press the rear caliper pistons back in to the caliper: The pistons must be screwed back into the caliper and the indents aligned with the new pad backing plate.

    Use either needlenose pliers or a brake cube .........the square holes take a standard 3/8" socket drive.

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    Re: 03' Deville, Road Trip maintenance?

    Quote Originally Posted by MoistCabbage View Post
    They can't "warp".
    Quote Originally Posted by Blue Raptor View Post
    Well what i meant from being warped, the car vibrates when braking at highway speeds, i tried having them turned, but they couldn't anymore, so i purchased new ones along with cermaic pads.
    What MC is telling you is that they are cast iron and thus can't warp. "Warped rotors" are a misnomer.

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    Re: 03' Deville, Road Trip maintenance?

    The oil chage has been done, at operating range! New plugs & boots are in place! Flushed the coolant, and replaced with fresh coolant!

    I only did the front brakes which needed replacement, the rear pads were still in good shape. But i do have the brake cube in hand.

    "warped" was the only word i could think of at the time to explain the issue with the rotors.

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    Re: 03' Deville, Road Trip maintenance?

    137,xxx miles
    How is the trans fluid?
    Brake fluid?
    Power steering fluid?
    Inspected serpentine belt?
    Cleaned throttle body?
    Is it starting and running better after the tune up?

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    Re: 03' Deville, Road Trip maintenance?

    The A/T fluid, P/S fluid and Brake fluid were changed @ 125,372 miles, along with Raidiator and and water pump,
    Reciepts of the previous owner were provided.

    The only thing thats sucks, is that the stereo will not play any CD's

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