Jeep CJ 1945-1970 Repair Information

Water Pump

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REMOVAL & INSTALLATION



4-134 Engine

See Figures 1, 2, 3, 4 and 5



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Fig. Fig. 1: Remove the cooling fan mounting bolts ...



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Fig. Fig. 2: ... then remove the cooling fan from the water pump pulley



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Fig. Fig. 3: Detach all cooling system hoses from the water pump ...



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Fig. Fig. 4: ... then remove all water pump mounting bolts



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Fig. Fig. 5: Pull the water pump off of the front of the engine block-F-head model shown

  1. Drain the cooling system.
  2.  


CAUTION
When draining coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.

  1. Disconnect the hoses at the pump.
  2.  
  3. Remove the fan belt.
  4.  
  5. Unbolt the fan and hub assembly.
  6.  
  7. Unbolt and remove the pump.
  8.  
  9. Installation is the reverse of removal. Tighten the pump bolts to 17 ft. lbs. (23 Nm). Always use a new gasket coated with sealer.
  10.  

6-225 Engine
  1. Drain the cooling system.
  2.  


CAUTION
When draining coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.

  1. Disconnect all hoses at the pump.
  2.  
  3. Remove the drive belts.
  4.  
  5. Remove the fan and hub assembly.
  6.  
  7. Unbolt and remove the water pump along with the alternator adjustment bracket.
  8.  
  9. Installation is the reverse of removal. Always use a new gasket coated with sealer. Tighten the water pump bolts to 73-97 inch lbs. (8.2-10.9 Nm).
  10.  

6-226 Engine

See Figure 6



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Fig. Fig. 6: Exploded view of the water pump used on the 6-226 engine

  1. Disconnect the hoses at the pump. Drain the cooling system.
  2.  


CAUTION
When draining coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.

  1. Remove the fan belt.
  2.  
  3. Remove the fan and hub.
  4.  
  5. Unbolt and remove the pump.
  6.  
  7. Installation is the reverse of removal. Always use a new gasket coated with sealer. Tighten the pump bolts to 17 ft. lbs. (23 Nm).
  8.  

6-230 Engine
  1. Drain the cooling system.
  2.  


CAUTION
When draining coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.

  1. Disconnect the hoses at the pump.
  2.  
  3. Remove the fan and pulley.
  4.  

 
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