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5-90 5-90 is offline

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Showing Visitor Messages 41 to 49 of 49
  1. jeepgeek2002
    01-16-2010 10:11 PM - permalink
    i did that already. as i was trying to remove the stuck oil filter the damm plyer slipped and broke the distributor cap..lol.. but i got the top end completely assembled. every thing is back on. torq'd to specs, im only praying the block isnt cracked.. or i ll would have wasted all this time and money for nothing.
  2. jeepgeek2002
    01-15-2010 03:50 PM - permalink
    You re a savoir! i m a novice mechanic that decided to do a head swap on a cherokee. Its a learn as you go thing. But I'm nearing my end of the ordeal with one OMG i should have done. I trusted the PO's mechanic to say it was only a blown head gasket.. I should have had the block tested for cracks or warpage.
    Thanks for all your posts on this forum!

    Mark
  3. 5-90
    09-07-2009 11:28 PM - permalink
    Well, the next step would be a "leakdown test" - the cylinder is run up to TDC compression (top dead centre, both valves closed) and pressurised using compressed air. You can then listen for the leak, by listening to where air is escaping.

    - Intake = intake valve
    - Exhaust = exhaust valve
    - Oil fill = rings
    - Coolant bubbling = head gasket (likely) or cracked block/head (less likely.)
  4. leppard83
    09-07-2009 09:01 PM - permalink
    thank you for the info before was helpful if you have an answer for that appreciated
  5. leppard83
    09-07-2009 09:00 PM - permalink
    i put a compression check on my 98 cherokee 4.0 and got a 150 on 1-5 and #6 was only at 30 could that mean bad valve or ring even after putting oil down it got a 30 on #6 thought it was 5 before but all electric checks out
  6. leppard83
    09-04-2009 04:03 PM - permalink
    have other post with more details if this makes no sense
  7. leppard83
    09-04-2009 03:54 PM - permalink
    was recomended to you having trouble with 98 cherokee 4.0 at first was showing 5 mis fire 6 staying open when running sounds like miss 1234 will bogg down when shorted 5 reves up 6 no change cleaned injecters new wires rotor cap sparkplugs brain all conn showing 13 getting p1282 code changed fuse still running like it has miss is it fuel pump or weak cylinder just got it two weeks ago and other vehicle broke down my only means for my family dont want them standed also over 45 mph shakes give it gas stops until levels out same problem occurs please help
  8. MontanaXJer
    05-25-2008 03:52 PM - permalink
    Welcome aboard Jon!
  9. XJ Stryker
    05-25-2008 07:50 AM - permalink
    Welcome 5-90 glad too see someone with your expertise coming here.

About Me

  • My Cherokee
    Year
    1988
    Model
    Cherokee
    Engine
    AMC242
    Transmission
    AX-15 (External)
    Transfer Case
    NP231 (planning NP242)
    Front Axle
    D30 (planning D44)
    Rear Axle
    D35 (planning D44)
    Tires
    BFG 30's
    Lift Specifications
    None (yet...)
    Misc Accessories
    Asst. electrical mods
  • Signature
    Kelley's Works in Progress - www.kelleyswip.com
    KWiP Parts Exchange - www.kelleyswip.com/exchange.html

    "It's in the shop, being readied for the next failure."

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  • Last Activity: 07-23-2014 10:03 PM
  • Join Date: 05-25-2008
  • Referrals: 2

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