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AMEDEE
AMEDEE, CHEVY TECHNICIAN
Category: Chevy
Satisfied Customers: 21973
Experience:  ASE MASTER TECHNICIAN ADVANCED LEVEL SPECIALIST. Wisconsin certified emissions state inspector
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2001 Cavil chevy 2.4L Z24 - how to replace water pump and

Resolved Question:

2001 Cavil chevy 2.4L Z24 - how to replace water pump and termistat.
Submitted: 5 years ago.
Category: Chevy
Expert:  AMEDEE replied 5 years ago.

Water Pump Replacement

Removal Procedure

 

Drain the cooling system.



 


Remove the exhaust manifold.
Remove the coolant outlet pipe.
Disconnect the heater hose quick connect from the heater outlet pipe.
Remove the timing chain and tensioner.
Remove the water pump cover-to-cylinder block bolts.
Remove water pump cover pipe bracket bolt (Bellhousing bolt).



 


Remove the water pump-to-timing chain housing nuts.
Remove the water pump and cover assembly.
Remove the water pump cover-to-coolant pump assembly bolts.
Clean all sealing surfaces.
Installation Procedure

Important: Before you install the coolant pump, read the entire procedure. Follow the tightening sequences in order to avoid part damage and to provide proper sealing.

 

Install the water pump cover to the water pump assembly.



 


Install the pump cover bolts. Hand tighten the bolts.
Install water pump/cover assembly.



 


Install the cover-to-block bolts. Hand tighten the bolts.
Install the coolant pump-to-timing chain housing nuts. Hand tighten the nuts.
Install water pump cover pipe bolt (Bellhousing Bolt). Notice: Refer to Fastener Notice in Service Precautions.
Torque in sequence as follows:



 


7.1. Tighten the pump assembly-to-timing chain housing nuts.
Tighten nuts to 26 Nm (19 ft. lbs.).
7.2. Tighten the pump cover-to-pump assembly bolts.
Tighten the bolts to 14 Nm (10 ft. lbs.).
7.3 Tighten the coolant pump cover-to-engine block bolts. Tighten the bottom bolt first.
Tighten bolts to 26 Nm (19 ft. lbs.).

Install heater hose to water pump cooling pipe.
Install radiator outlet pipe.
Install the exhaust manifold and install new gaskets.
Install oil level indicator tube and indicator.
Connect the brake vacuum pipe to the cam housing.
Raise the vehicle. Refer to Vehicle Lifting.
Install catalytic converter.
Install the timing chain and tensioner.
Lower the vehicle.
Fill the cooling system.
Inspect the system for leaks.

 

Thermostat Replacement

Removal Procedure

 

Drain the cooling system.



 


Remove the exhaust manifold heat shield bolts and shield.



 


Remove the coolant inlet housing bolts through the exhaust manifold.
Raise the vehicle. Refer to Vehicle Lifting.
Remove the coolant inlet housing shed from the oil pan.
Remove the tire and wheel. Remove the right engine splash shield.
Remove the transaxle-to-engine block brace bolts. Remove the brace.
Remove the radiator outlet pipe.
Remove the thermostat.
Clean the mating surfaces.
Installation Procedure




 


Install the thermostat.
Install the radiator outlet pipe.
Install the transaxle-to-engine block brace and secure with the bolts.
Install the right engine splash shield.
Install the tire and wheel.
Lower the vehicle. Notice: Refer to Fastener Notice in Service Precautions.



 


Install the exhaust manifold heat shield and bolt. Tighten the exhaust manifold heat shield bolts to 14 Nm (10 ft. lbs.).
Fill the cooling system.
Inspect the system for leaks.

 

 

 

AMEDEE, CHEVY TECHNICIAN
Category: Chevy
Satisfied Customers: 21973
Experience: ASE MASTER TECHNICIAN ADVANCED LEVEL SPECIALIST. Wisconsin certified emissions state inspector
AMEDEE and 6 other Chevy Specialists are ready to help you
Customer: replied 5 years ago.
Which way should the thermostat coil face (go into the radiator oulet pipe)?
Expert:  AMEDEE replied 5 years ago.
The t stat will go in with the coils facing or closer to the engine block or where the coolant gets heated up from the engine. DOes that make sense?
Customer: replied 5 years ago.
yes, thanks.

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ASE MASTER TECHNICIAN ADVANCED LEVEL SPECIALIST. Wisconsin certified emissions state inspector