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M11 Series – Service Manual – 008-016   Coolant Thermostat Seal

Remove

 TOC

Remove the thermostat.

Refer to Procedure 008-013.

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 CAUTION 

Do not damage the thermostat housing when removing the thermostat seal.

Use a punch and hammer to remove the seal from the housing.

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Clean

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Use solvent to clean the thermostat housing.

Dry with compressed air.

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Inspect for Reuse

 TOC

Inspect the thermostat housing for cracks, pits, or other damage.

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Install

 TOC

When installing a new seal, the flat side of the seal

must
be facing the mandrel.

Use thermostat seal mandrel, Part No. ST-1225, and a hammer to install the seal.

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Install the thermostat in the housing.

Install a new seal in the groove on the thermostat housing mounting surface.

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Install the hose on the thermostat housing bypass outlet.

Install the thermostat housing and four mounting capscrews.

Torque Value:  54  n.m  [40 ft-lb]

NOTE: If a torque converter cooler disc is used in the coolant bypass hose, refer to Procedure 008-065.

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Install the upper radiator hose to the thermostat housing outlet.

Tighten all hose clamps.

Torque Value:  3  n.m  [30 in-lb]

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Last Modified:  07-May-2003
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