Chevrolet Trax Owners & Service Manuals

Chevrolet Trax: Engine coolant thermostat replacement  (2H0, LDE, LFH)

Chevrolet Trax (2013-2022) Workshop Manual / Engine / Engine Heating and Cooling / Engine Heating and Cooling - Repair instructions / Engine coolant thermostat replacement  (2H0, LDE, LFH)

Removal Procedure

WARNING: Refer to Battery Disconnect Warning .

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Drain the coolant. Refer to Cooling System Draining and Filling.

Fig. 53: Engine Wiring Harness Connector And Retainers
Fig. 53: Engine Wiring Harness Connector And Retainers

  1. Disconnect the engine wiring harness connector (1) and retainers (2).

Fig. 54: Wiring Harness Bracket And Nut
Fig. 54: Wiring Harness Bracket And Nut

  1. Remove the wiring harness bracket nut (3) and bracket (4).

Fig. 55: Thermostat Heating Element Sensor & Radiator Inlet Hose
Fig. 55: Thermostat Heating Element Sensor & Radiator Inlet Hose

  1. If equipped, disconnect the thermostat heating element sensor (1) and remove the radiator inlet hose (2).

Fig. 56: Thermostat Housing And Retaining Bolts
Fig. 56: Thermostat Housing And Retaining Bolts

  1. Remove the thermostat housing retaining bolts (1).

Fig. 57: Thermostat And Discard Seal
Fig. 57: Thermostat And Discard Seal

  1. Remove the thermostat (1) and discard the seal (2).

Installation Procedure

Fig. 58: Thermostat And Discard Seal
Fig. 58: Thermostat And Discard Seal

  1. Fit the thermostat (1) to the thermostat housing using a NEW seal (2).

Fig. 59: Thermostat Housing And Retaining Bolts
Fig. 59: Thermostat Housing And Retaining Bolts

CAUTION: Refer to Fastener Caution .

  1. Install the thermostat (2) and tighten the thermostat bolts (1) to 10 N.m (89 lb in).

Fig. 60: Thermostat Heating Element Sensor & Radiator Inlet Hose
Fig. 60: Thermostat Heating Element Sensor & Radiator Inlet Hose

  1. Install the radiator inlet hose (2) and connect the thermostat heating element sensor (1).

Fig. 61: Wiring Harness Bracket And Nut
Fig. 61: Wiring Harness Bracket And Nut

  1. Install the wiring harness bracket (4) and tighten the nut (3) to 10 N.m (89 lb in).

Fig. 62: Engine Wiring Harness Connector And Retainers
Fig. 62: Engine Wiring Harness Connector And Retainers

  1. Connect the engine harness connector (1) and harness retainers (2) to the bracket.
  2. Refill the engine cooling system. Refer to Cooling System Draining and Filling.
  3. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  4. Start the engine and check for coolant leaks.

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