infiniti Workshop Repair Guides

Infiniti Workshop Service and Repair Manuals

Thermostat Housing, Engine Cooling > < Mechanical Specifications|Page 2022
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Note the following, and install in the reverse order of removal.
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Be careful not to spill engine coolant over engine room. Use rag to absorb engine coolant.

Inspection

INSPECTION AFTER REMOVAL

1. Check valve seating condition at ordinary room temperatures. It should seat tightly.

2. Check valve operation.

Thermostat (Standard): Refer to CO-26, "Thermostat". See: Specifications/Pressure, Vacuum and Temperature Specifications

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If the malfunctioning condition, when valve seating at ordinary room temperature, or measured values are out of the standard, replace water inlet
and thermostat assembly.

INSPECTION AFTER INSTALLATION

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Check that the reservoir tank cap is tightened.

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Check for leaks of engine coolant using the radiator cap tester adapter [SST: EG17650301 (J33984-A)] and the radiator cap tester (commercial
service tool). Refer to CO-8, "Inspection". See: Testing and Inspection/Initial Inspection and Diagnostic Overview

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Start and warm up the engine. Visually check that there is no leaks of engine coolant.

Thermostat Housing, Engine Cooling > < Mechanical Specifications|Page 2022