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brownjeff
brownjeff, ASE Certified Technician
Category: Dodge
Satisfied Customers: 13886
Experience:  17 years experience, ASE certified, dealership certified, Service Manager for 15 years,
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Replace a therostat in a 2001 dodge ram 2500 turbo diesle 5.9 cummins

Customer Question

how do i replace a therostat in a 2001 dodge ram 2500 turbo diesle 5.9 cummins
Submitted: 8 years ago.
Category: Dodge
Expert:  brownjeff replied 8 years ago.

I will attach instruction. If you still need help just reply, if not click ACCEPT when we are done.

 

Thanks,

 

JB

 

  1. Disconnect the battery negative cables.
  2. Drain cooling system until coolant level is below thermostat.

    WARNING: CONSTANT TENSION HOSE CLAMPS ARE USED ON MOST COOLING SYSTEM HOSES. WHEN REMOVING OR INSTALLING, USE ONLY TOOLS DESIGNED FOR SERVICING THIS TYPE OF CLAMP, SUCH AS SPECIAL CLAMP TOOL (NUMBER 6094). SNAP-ON CLAMP TOOL (NUMBER HPC-20) MAY BE USED FOR LARGER CLAMPS. ALWAYS WEAR SAFETY GLASSES WHEN SERVICING CONSTANT TENSION CLAMPS.

    CAUTION: A number or letter is stamped into the tongue of constant tension clamps. If replacement is necessary, use only an original equipment clamp with a matching number or letter.

  3. Remove radiator hose clamp and hose from thermostat housing.
  4. Remove the three (3) water outlet-to-cylinder head bolts and remove the water outlet connector (see picture).
  5. Clean the mating surfaces of the water outlet connector and clean the thermostat seat groove at the top of the thermostat housing

INSTALLATION

  1. Install the thermostat into the groove in the top of the thermostat housing
  2. Install the water outlet connector and bolts. Tighten the bolts to 24 N·m (18 ft. lbs.) torque.
  3. Install the radiator upper hose and clamp.
  4. Fill the cooling system with coolant
  5. Connect the battery negative cables.
  6. Start the engine and check for coolant leaks. Run engine to check for proper thermostat operation.

 

 


1 - WATER OUTLET CONNECTOR

2 - THERMOSTAT HOUSING

3 - THERMOSTAT