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Your Auto Inspector
Your Auto Inspector, Assistant Service Manager
Category: Car
Satisfied Customers: 874
Experience:  Tires Plus
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94 isuzu pickup: water pump but cant..timing belt cover..bolts..nut

Customer Question

94 isuzu pickup changing water pump but cant get lower timing belt cover off to get to the other water pump bolts. There is a center allthread that had a nut on it does this need to be removed because i have all the other cover bolts off. Any suggestions greatly appreciated. Something so simple driving me crazy        Dave
Submitted: 5 years ago.
Category: Car
Expert:  Your Auto Inspector replied 5 years ago.

Thanks for using Just Answer. I would be glad to assist you.

 

Please refer to the lower timing cover diagram below:

graphic

 

graphic

 

WATER PUMP

REMOVAL

Preparation:

  • Battery negative cable.
  • Drain Engine Coolant from the radiator and engine.
  1. Radiator hoses
  1. Air duct assembly
  2. Lower fan shroud

graphic

 

  • Remove two clips from upper fan shroud and lower fan shroud.

Upper fan shroud

    • Remove four fixing bolts from radiator and upper fan shroud.

Fan and fan clutch

    • Remove four fixing nuts from fan and fan clutch and fan pulley.

Power steering pump drive belt (If so equipped)

    • Loosen two fixing bolts from power steering pump adjust plate and bracket.

Air Conditioning compressor idler pulley

    • Loosen the idler pulley nuts. Remove two fixing bolts from idler pulley and cylinder block.

Air Conditioning compressor drive belt

 

Generator drive belt

    • Loosen three fixing bolts from generator and adjust plate.

Water pump pulley

    • Remove four fixing nuts from water pump pulley hub and water pump pulley.

Starter motor

    • Remove two fixing bolts from starter motor and rear plate.

Crank pulley

    • Attach the special tool to the cavity of starter motor

 

graphic

 

Flywheel holder: J-38674

  • Remove the crank pulley fixing bolt.
  1. Timing belt upper cover
  2. Timing belt lower cover
  3. Water pump
    • Remove four fixing bolts and one nut from water pump body and cylinder body.

INSTALLATION

 

Install water pump.

    • Tighten the water pump fixing bolts to the specified torque. Torque N.m (lb.ft.) 19 (14)
    • Tighten the water pump fixing nut to the specified torque. Torque N.m (lb.ft.) 25 (20)

Timing bolt lower cover.

    • Tighten the timing belt lower cover fixing bolts to the specified torque. Torque N.m (lb.ft.) 6 (4)

Timing belt upper cover.

    • Tighten the timing belt upper cover fixing bolts to the specified torque. Torque N.m (lb.ft.) 6 (4)

Crank pulley.

    • Tighten the crank pulley fixing bolt to the specified torque. Torque N.m (lb.ft.) 122 (90 )

Starter motor.

 

Water pump pulley.

    • Temporary tighten the water pump pulley fixing nuts.

Generator drive belts.

    • Tighten the generator fixing bolts.

Air Conditioning compressor drive belt.

 

Air Conditioning compressor idler pulley.

 

Power steering pump drive belt (If so equipped).

    • Tighten the power steering pump fixing bolts to the specified torque. Torque N.m (lb.ft.) 43 (32)

Fan and fan clutch.

    • Tighten the fan and fan clutch fixing nuts to the specified torque. Torque N.m (lb.ft.) 27 (20)

 

Upper fan shroud.

 

Lower fan shroud.

 

Air duct assembly.

 

Radiator hoses.

 

 

Your Auto Inspector, Assistant Service Manager
Category: Car
Satisfied Customers: 874
Experience: Tires Plus
Your Auto Inspector and 13 other Car Specialists are ready to help you
Customer: replied 5 years ago.
well you supplied more information than the chilton manual. Your schematics were the key saw what we thought Isuzu would not do and well it worked, pain in the you know what but truck back on the streets as of 10 minutes ago. Thank you drhorsefield   A+++++++++++
Thanks again Dave TitmusCustomer

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