Removal and Installation

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Exploded View Of Thermostat Housing

Courtesy of NISSAN MOTOR CO., U.S.A.

CAUTION: Be careful not to spill coolant over the engine compartment. Use a rag to absorb any spilled coolant.

Drain engine coolant. Refer to COOLING SYSTEM BLEEDING .
Disconnect the lower radiator hose.
Remove water inlet thermostat housing, then remove the thermostat.

Fig 2: Locating Gum Ring, Thermostat Flange & Jiggle Valve
Courtesy of NISSAN MOTOR CO., U.S.A.
Before installing the thermostat, make sure the gum ring is properly seated around the thermostat.
Install thermostat with jiggle valve or air bleeder at upper side.

Fig 3: Identifying Thermostat Jiggle Valve Position
Courtesy of NISSAN MOTOR CO., U.S.A.
Refill engine coolant. Refer to COOLING SYSTEM BLEEDING .
After installation, run engine for a few minutes, and check for any coolant leaks.