97 3.0 timing belt help
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Cadillac Catera and Cimarron Forum Discussion, 97 3.0 timing belt help in Past Cadillac Vehicle Discussion; well, after changing my oil cooler and getting all the sludge out of themotor that was plugging up the water ...
  1. #1
    Jamies97Cat is offline Cadillac Owners Member
    Automobile(s): Cadillac Catera
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    97 3.0 timing belt help

    well, after changing my oil cooler and getting all the sludge out of themotor that was plugging up the water pump, since its clean coolant in there now it decided to show me its leaking!! so i ordered a factory water pump for it and a new timing belt and tensioner that im gonna swap while im in there already. my question is, what do i need to keep the cam gears from turning when i go to pull the old belt off, i dont want these things to move at all. my lincoln is a DOHC too and i know first hand what the cams do when the chains are released from the cam gears, i dont want this motor doing it i am very mechanically inclined but when it comes to these interference motors and 4 cams and bending valves i dont usually touch it, but im not gonna pay someone to change a belt i know i can change. do they make a tool or tools to lock the cams in place so they dont move while i change the belt? any help is greatly appreciated, maybe even pics too if anyone has taken pics of a timing belt swap on the 3 liter. thank you.

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  3. #2
    cateraowner is offline Cadillac Owners Fanatic
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    Re: 97 3.0 timing belt help

    the there is a lock tool. but the tool is expensive. they do have rental tools but i don't know any info on that


    http://www.ledfix.com/timingbelttoolrental.html

  4. #3
    Jamies97Cat is offline Cadillac Owners Member
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    Thread Starter

    Re: 97 3.0 timing belt help

    great! looks like i'll be putting this off a little longer!! or i'll change the water pump and sell the car.

  5. #4
    Boris is offline Cadillac Owners Fanatic
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    Re: 97 3.0 timing belt help

    No need for the "special" tool kit.
    A regular cam locking tool (the type that locks cam gears by sliding in between them) will do just fine.

    -Lock the cam gears on both heads (motor at TDC).
    -Mark the location of every tensioner pulley on it's adjustment point and take a mental note on the belts tension. The shop manual has detailed images of every tensioners location when set correctly.
    -Count the number of teeth on the old belt from crank to first cam gear and between the cam gears (all 4). Don't worry if you miss this stem, I have it written down.
    -Remove belt and tensioner.
    -Install new tensioner
    -Slide the new belt on the crank and counting teeth, slide it onto the first cam gear.
    -Keep counting teeth and sliding the belt on
    -Set tendioner pulleys
    -Rotate the motor over 2 full crank revolutions and recheck your timing.

    I've done 3 of these without any issues.
    A friend of mine who works at a local dealer bet me that I would be off on the first one. He brought over his fancy tools and checked the belt install.
    I won the bet.

    No rocket science here, don't be afraid to work on your own motor.

  6. #5
    eastsidercaddy's Avatar
    eastsidercaddy is offline Cadillac Owners Fanatic
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    Re: 97 3.0 timing belt help

    That's great info and i was concerned about my timing belt. Had the serpentine belt changed a while back and that was cracking bad. 123,000miles and counting, plus i'm going on a long trip from GA to NC soon. Hoping it holds up and all. My engine was rebuilt around 40,000 miles and SURE they put on a new timing belt as well. I've gotten thru everything that could happen to this and looking head on.

    So basically get the timing lock gears and make sure TDC. Loosen tensioners, take off belt, slide on new one making sure all pioints are dead on with the teeth, tighten tensioners and rotate 2 full turns and check points. That about it right? Thanks for the advice because i've done a lot on this car by myself. THX

  7. #6
    Boris is offline Cadillac Owners Fanatic
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    Re: 97 3.0 timing belt help

    That's about it.

    There is absolutely nothing out of the ordinary on these motors.

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