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Replaced a cracked cylinder head now the engine wont start isuzu 4hk1

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  • 2 Answers

Check timing

Posted on Apr 18, 2013

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6 Suggested Answers

6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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leetamara
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SOURCE: Valves noise

The have puck looking followers that take up the excessive back lash.

Posted on Jul 03, 2008

garyq1970
  • 73 Answers

SOURCE: overheated a 2000 isuzu rodeo 2.2 litre

  1. Sorry.... I did not see the 2.2 in title. 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

Posted on Aug 24, 2008

c17hydro
  • 2984 Answers

SOURCE: cylinder head torque settings 1990 2.6L isuzu motor

From front to back is this:


7 3 1 5 9



8 4 2 6 10



First torque value is 58 ft lbs.....then final torgue is 72 ft lbs.

Posted on Mar 21, 2009

duane_wong
  • 6826 Answers

SOURCE: Cracked Cylinder Head

I'd say moderately difficult: here are the instructions for replacing the head on a 2001 Jeep Cherokee Sport with 4.0 L engine:

REMOVAL & INSTALLATION 4.0L Engines

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
    • Negative battery cable
    • Crankcase Ventilation (CCV) hoses
    • Air cleaner assembly
    • Accelerator cable
    • Cruise control cable, if equipped
    • Transmission cable, if equipped
    • Control cable bracket
    • Valve cover
    NOTE: Keep valvetrain components in order for reassembly.
    • Rocker arms
    • Pushrods
    • Accessory drive belt
    • A/C compressor and bracket, if equipped
    • Power steering pump and bracket, if equipped
    • Fuel line
    • Combination manifold
    • Thermostat housing coolant hoses
    • Spark plugs
    • Engine Coolant Temperature (ECT) sensor connector
    • Cylinder head
    To install: WARNING
    Cylinder head bolts may only be reused one time. If reusing a cylinder head bolt, place a paint mark on the bolt after installation. If a cylinder head bolt has a paint mark, discard it and use a new bolt. NOTE: Refer to Section 1 of this manual for the cylinder head torque sequence illustration. The illustration is located after the Torque Specification Chart.
  4. Install the cylinder head with a new gasket. Coat the threads of bolt No. 11 with Loctite® F 592 sealant. CAUTION
    During the final tightening sequence, bolt No. 11 will be tightened to a lower torque value than the rest of the bolts. Do not overtighten bolt No. 11.
  5. Tighten the cylinder head bolts, in sequence, as follows:
    1. Step 1: 22 ft. lbs. (30 Nm)
    2. Step 2: 45 ft. lbs. (61 Nm)
    3. Step 3: 45 ft. lbs. (61 Nm)
    4. Step 4: Bolts 1–10 to 110 ft. lbs. (149 Nm)
    5. Step 5: Bolt 11 to 100 ft. lbs. (136 Nm)
    6. Step 6: Bolts 12–14 to 110 ft. lbs. (149 Nm)
    7. Step 7: Repeat steps 4, 5 and 6
  6. Install or connect the following:
    • ECT sensor connector
    • Spark plugs
    • Thermostat housing coolant hoses
    • Combination manifold
    • Fuel line
    • Power steering pump and bracket, if equipped
    • A/C compressor and bracket, if equipped
    • Accessory drive belt
    • Pushrods and rocker arms in their original positions
    • Valve cover
    • Control cable bracket
    • Transmission cable, if equipped
    • Cruise control cable, if equipped
    • Accelerator cable
    • Air cleaner assembly
    • CCV hoses
    • Negative battery cable
  7. Fill the cooling system.
  8. Start the engine and check for leaks.

Posted on Jul 19, 2010

dcramer531
  • 1654 Answers

SOURCE: I need the torque settings for the cylinder head

http://www.autozmagz.com/isuzu/2000-isuzu-trooper-s-torque-specifications/
try here and see if they can help. You can download manuals for free here.

Posted on Nov 23, 2010

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Head bolt torque spec


our Hombre used this engine.
The LK5 (also called the Vortec 2800) is a 2,770 cc (169 cu in) straight-4 DOHC engine,

Applications include the 2000 Isuzu NPR350A
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I googled for you and 3rd hit , is
http://www.nationaltruckspares.com.au/P_Isuzu-Isuzu-4HK1-NPR75-Etc-Torque-Specification-.aspx?id=3650

see the spec there. in nM>?

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My 1990 isuzu trooper was driven to town when it started to heat up and miss a lot. No power on acceleration. Shop took compression test. # 1 piston 150 # 2 50 # 3-0- # 4.-0- I had the auto shop replace...


replacing the head gasket solved one problem.
But, you have a leakage problem with oil and/or antifreeze now.
The head gasket could be failing again, or you have a cracked block or cylinder head.

Take it back to where it was worked on and say that you want it fixed, please.

good luck on this.

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1 Answer

Overheated a 2000 isuzu rodeo 2.2 litre


  1. Sorry.... I did not see the 2.2 in title. 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

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