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Thread: I may have let cam chains jump

  1. #1
    Join Date
    Aug 2018
    Location
    NJ
    Posts
    48
    My Cars
    E38, b4 tdi

    I may have let cam chains jump

    I believe the cam chains jumped when I had special tensioner wedge tool installed improperly (didn't have the tensioner bolt threaded in enough) and I think when adjusting the crank to install the flywheel pin, the cams jumped.

    On the photos of people doing the timing, the front cam lobes appear to be pointed up and slightly towards each other. Here are mine.

    Sent from my VS501 using Tapatalk

  2. #2
    Join Date
    Jan 2006
    Location
    Ft. Lauderdale, FL
    Posts
    5,083
    My Cars
    98 740il, 00 540i,04 ZHP
    Do you have the cam locking tools?

    When you lock them, you go by the end of the cams in the back. I believe the text should be facing up. It's been a few years since I did it, so my memory is vague.
    '98 740il | 9/97 build | schwarz 2 | sandbeige | 5AT | 270k
    '04 330i ZHP sedan | Mystic blue | Alcantara | 6MT | 120k
    '00 540i sport | Titanium silver | Black | 5AT | 152k
    '85 Mustang GT convertible | Medium charcoal metallic | Gray | 5MT | 216k | one owner, all original

    mods: m-pars | Bilsteins & B&G springs | ValentineOne | StealthOne
    retrofits: full nav | MKIV | bluetooth TCU | BM53 w/ AUX input | video module w/ AV input & backup cam | oem sirius xm | xenon | shades | PDC | rain sensor | BMW DWS TPMS | lighted door handles | front seat heaters | heated steering wheel | euro rear fog lights | ski pass | folding mirrors


  3. #3
    Join Date
    Aug 2017
    Location
    Wayne,PA
    Posts
    1,511
    My Cars
    740iL (E38 '01)
    Quote Originally Posted by racer2086 View Post
    Do you have the cam locking tools?

    When you lock them, you go by the end of the cams in the back. I believe the text should be facing up. It's been a few years since I did it, so my memory is vague.
    Correct, text should be facing up on all four.

  4. #4
    Join Date
    Aug 2018
    Location
    NJ
    Posts
    48
    My Cars
    E38, b4 tdi
    I was overcomplicating it. I had to just rotate crank another revolution and now stamped letters facing up and my cam lock tools are in place.

    Derp

    Sent from my VS501 using Tapatalk

  5. #5
    Join Date
    Jan 2006
    Location
    Ft. Lauderdale, FL
    Posts
    5,083
    My Cars
    98 740il, 00 540i,04 ZHP
    That's been done before! Good luck with the rest!
    '98 740il | 9/97 build | schwarz 2 | sandbeige | 5AT | 270k
    '04 330i ZHP sedan | Mystic blue | Alcantara | 6MT | 120k
    '00 540i sport | Titanium silver | Black | 5AT | 152k
    '85 Mustang GT convertible | Medium charcoal metallic | Gray | 5MT | 216k | one owner, all original

    mods: m-pars | Bilsteins & B&G springs | ValentineOne | StealthOne
    retrofits: full nav | MKIV | bluetooth TCU | BM53 w/ AUX input | video module w/ AV input & backup cam | oem sirius xm | xenon | shades | PDC | rain sensor | BMW DWS TPMS | lighted door handles | front seat heaters | heated steering wheel | euro rear fog lights | ski pass | folding mirrors


  6. #6
    Join Date
    Aug 2017
    Location
    Wayne,PA
    Posts
    1,511
    My Cars
    740iL (E38 '01)
    I could write a book about the stupid mistakes that I made on this car

  7. #7
    Join Date
    Aug 2018
    Location
    NJ
    Posts
    48
    My Cars
    E38, b4 tdi
    Timing covers, valve covers, oil pan back on, now the fun of properly routing wiring and vacuum haha.

    The weld broke on the bolt tab on my secondary air

    Sent from my VS501 using Tapatalk

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