crank

  1. J

    3.7L Liberty front crankshaft seal

    Looks like I have a slight leak coming from what looks like the front crank seal on my 2006 3.7L Liberty with 100k+ miles on it. Not 100% sure that's where the leak is coming from but it is definitely motor oil & not tranny or PS pump fluid. Had my steering fluid flushed & replaced a few...
  2. bradleyheathhays

    Holy cow..main crank shaft pully loose on my 4.0 engine

    The 4.0 inline 6 engine in my '96 Cherokee has 188 k miles on it and (I thought) the serpentine belt or something close by has been squeaking badly for a month now. Tried all kinds of idler pulley tension adjustments and the squeaking continued. I go to start it today and the serp belt jumps...
  3. bradleyheathhays

    Holy cow..main crank shaft pully loose on my 4.0 engine

    Loose harmonic balancer Have a '96 XJ where the harmonic balancer just got off kilter enough that it blew the serp belt off track. I thought it was my serp belt that's been making noise all this time but I guess it's been the balancer. It's come loose and migrated forward some so that the...
  4. C

    Need some help here.

    I have a 97 Grand Cherokee Laredo 4.0. I'm having a crank but no start issue here. Now i have replaced the PCM, distributor with plugs and wires, crank sensor and a battery but nothing. Does anyone have any advice on this?
  5. J

    Harmonic Balancer Woodruff Key - 4.2 Crank

    So this seems incredibly stupid but maybe I'm not the only one to find this out. I'm building a 4.6 stroker using an early 4.2 crank in my '98 4.0 block. The crank was machined several years back for another project and sat on a shelf until I started this build about a year ago. Somewhere along...
  6. D

    1993 jeep cherokee, cranks but won't start

    Hey all. I've got a 1993 Jeep Cherokee Country 4.0 L 2WD. Recently my ladyfriend was driving it home from work and it died on the freeway. Towed it to my place, and tried to start it up. It cranks, but won't start. I've ruled out the fuel pump, as I can hear it engage when I turn the key to...
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