Question about 1996 Jeep Cherokee Sport

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Out of time and blowen valve gasket, No pressure in #1 Spark plug

I have a 1996 Jeep cherokee that ran hot! blow the valve cover gasket and knock the motor out of time? Change timing chain/ Lined every thing up now I'm not getting enough compresson in my #1 plug, #2 is blowing good compresson wize? I think I might have bad valves in the heads? possible hole in the piston or ring? what do you think! She act like she wants to start and run. hat do you think? SheaveHeads of get new motor?

Thanks. T whittaker.

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  • aaron johnson May 11, 2010

    it could be a few things here. well i dont know what you got for compression on #1 but this engine should start even if it drops a cylinder or 2. let me know what your getting for compression on all cyliders please

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Changed the cylinder head gasket or valve cover gasket? Did timing chain fail or did it overheat? (can't draw a correlation between the two) If chain failed you may have bent a valve. I believe you have to go at this step by step. from what you wrote, you are not going in one direction that isn't productive. Test compression with a gauge, if you can, have a leakdown test done. You may have other problems as well and I don't see where you did anything about the cause of the overheat??? If you can, have someone with some experience help you "hands on".
Good luck I'll answer whatever I can from this end.

Posted on Apr 22, 2009

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2002 isuzu rodeo cylinder head torque lbs. for 2.2


Print


Removal & Installation

2.2L Engine

  1. Before servicing the vehicle, refer to the Precautions section.
  2. Drain the cooling system.
  3. Relieve the fuel system pressure.
  4. Remove or disconnect the following: Negative battery cableIntake Air Temperature (IAT) sensor connectorPositive Crankcase Ventilation (PCV) valve and hoseAir intake assemblyUpper radiator hoseAccessory drive beltExhaust front pipeAlternator and bracketsCrankshaft Position (CKP) sensor connectorKnock sensor connectorHeater hosesWater bypass hoseFuel linesEvaporative Emissions (EVAP) valve connectorCanister hoseIntake manifoldEngine wiring harness connectors at left rear of the engine compartmentPower steering pump pressure switch connectorFront coverSpark plugs and wiresCamshaft Position (CMP) sensorValve coverTiming belt. Refer to the Timing Belt unit repair section.Timing belt idler pulleysTiming belt rear coverOil pressure switch connectorCamshaftsCylinder head. Remove the bolts in reverse of the tightening sequence.

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To install:


0996b43f802097a8.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Cylinder head torque sequence-2.2L (VIN D) engine

NOTE Use new cylinder head bolts for assembly.

  1. Install the cylinder head with a new gasket. Tighten the bolts in sequence as follows: Step 1: 18 ft. lbs. (25 Nm)Step 2: Plus 90 degreesStep 3: Plus 90 degreesStep 4: Plus 90 degrees
    1. Step 1: 18 ft. lbs. (25 Nm)
    2. Step 2: Plus 90 degrees
    3. Step 3: Plus 90 degrees
    4. Step 4: Plus 90 degrees

  2. Install or connect the following: CamshaftsOil pressure switch connectorTiming belt rear coverTiming belt idler pulleys. Tighten the bolts to 18 ft. lbs. (25 Nm).Timing beltValve coverCMP sensorSpark plugs and wiresFront coverPower steering pump pressure switch connectorEngine wiring harness connectors at left rear of the engine compartmentIntake manifoldCanister hoseEVAP valve connectorFuel linesWater bypass hoseHeater hosesKnock sensor connectorCKP sensor connectorAlternator and bracketsExhaust front pipeAccessory drive beltUpper radiator hoseAir intake assemblyPCV valve and hoseIAT sensor connectorNegative battery cable

    Camshafts Oil pressure switch connector Timing belt rear cover Timing belt idler pulleys. Tighten the bolts to 18 ft. lbs. (25 Nm). Timing belt Valve cover CMP sensor Spark plugs and wires Front cover Power steering pump pressure switch connector Engine wiring harness connectors at left rear of the engine compartment Intake manifold Canister hose EVAP valve connector Fuel lines Water bypass hose Heater hoses Knock sensor connector CKP sensor connector Alternator and brackets Exhaust front pipe Accessory drive belt Upper radiator hose Air intake assembly PCV valve and hose IAT sensor connector Negative battery cable
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  1. Before servicing the vehicle, refer to the Precautions Section.
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To install:

0996b43f802097a8.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Cylinder head torque sequence-2.2L (VIN D) engine


NOTE Use new cylinder head bolts for assembly.

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    3. Step 3: Plus 90 degrees
    4. Step 4: Plus 90 degrees

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