99 STS head gasket repair [ in car] - Page 4
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Northstar Engines and System Technical Discussion Discussion, 99 STS head gasket repair [ in car] in Cadillac Engine Technical Discussion; I would call the Time Sert technical support at 800 423 4070 between 6AM-4PM PST and ask there advice....
  1. #46
    bsamole is offline Cadillac Owners Member
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    Re: 99 STS head gasket repair [ in car]

    I would call the Time Sert technical support at 800 423 4070 between 6AM-4PM PST and ask there advice.

  2. #47
    lembo's Avatar
    lembo is offline Cadillac Owners Member
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    Re: 99 STS head gasket repair [ in car]

    I got her all back together and drove her around the block. Got a question. Service Air Bag on dash and a B1126 code. [Driver deployment Loop Opened]. My Alldatadiy manual has a very detailed diagnosis. My steering wheel Center sensor has been broken for some time and it is possible my wheel did a 360 while disconnected. Should I look at the steering column or did I miss a plug under the hood?

  3. #48
    JTraik is offline Cadillac Owners Enthusiast
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    Re: 99 STS head gasket repair [ in car]

    Lembo, did you have the steering wheel shaft disconnected for this job? The airbag sensor is the yellow item centered above the radiator.

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    I will be doing a head gasket repair on my 99 Eldo in the next month or so and would like to do it in-vehicle. I will be using inserts (Norm's). Lembo I notice the right angle drill you used was a bit bulky, do you think a more slender drill like this Makita DA3000 would work better?

    http://www.amazon.com/Makita-DA3000R...pr_product_top

    Also, how did you go about re-timing the camshafts? If you had to do it again, is there a better way you would handled the cam shaft portion of the job? Any other tips that you have not mentioned here? Thanks so much for posting the job!

  4. #49
    ponyboyt is offline Cadillac Owners Enthusiast
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    Re: 99 STS head gasket repair [ in car]

    Just a heads up on installing cams, you CAN release the tensioners and squish them down without removing the cover. I did this on a mis-timed chain way back.... engine in car all bolted up. you can push a flat bar down the head and hit the release. I practised on an engine i had out on the floor...

  5. #50
    lembo's Avatar
    lembo is offline Cadillac Owners Member
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    Re: 99 STS head gasket repair [ in car]

    Hey JTraik,I disconnected the steering at the rack only. You lost me at "above the radiator"

    If at all possible, Drop the motor. I had no choice do to gravel driveway. [ thoughts of suicide my occur] I used time serts and the bit required a 1/2 inch chuck. I think that Makita is 3/8. I also used the kit for a 2000 which works but comes with a longer drill bit for the deep bank on one side of the 2000+ Northstars. The bit for the 99 would have given me another inch clearance which is a lot on this job.

    As far as the cam timing, I had a hard time due to the rear tensioner. No pics that day, sorry. It needed to be pinned so the front cover had to come off. I used a 110 volt impact gun from harbor freight to break lose the harmonic balancer and a 4 inch 3 claw puller. The engine had to get real low and I pinched the camshaft position sensor against the side wall in the process so keep that in mind. Good luck with your job.

  6. #51
    lembo's Avatar
    lembo is offline Cadillac Owners Member
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    Re: 99 STS head gasket repair [ in car]

    Also another thing that helped me with timing was to draw the timing marks on the back of the cam timing gears with a sharpie. Then bring down the cam caps slowly. Concentrate on the caps on either side of the engaged cam lobs first till closed. I used a 1/4 inch socket wrench, no more than a half turn each bolt. Then use torque pattern from manual.

  7. #52
    lembo's Avatar
    lembo is offline Cadillac Owners Member
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    Re: 99 STS head gasket repair [ in car]

    Ok , besides the B1126 air bag code I've also lost my conveinence controls on the wheel [ temp and tunes ]. I guess I'll be ordering some parts and pulling the column. I wanted to fix that steering wheel center sensor anyway.

  8. #53
    lembo's Avatar
    lembo is offline Cadillac Owners Member
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    Re: 99 STS head gasket repair [ in car]

    I just listed my Time Sert J-42385-2000 kit on Ebay in case anyone is looking for one.

  9. #54
    lembo's Avatar
    lembo is offline Cadillac Owners Member
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    Re: 99 STS head gasket repair [ in car]


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