Coolant Heater Replacement (LWN)

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Drain the coolant. Cooling System Draining and Filling (Static Fill LWN) , or Cooling System Draining and Filling (GE 47716 LWN) , or Cooling System Draining and Filling (Static LC8, LV1, L96) , or Cooling System Draining and Filling (GE47716 LC8, LV1, L96) Engine Cover - Remove - Engine Cover Replacement Coolant Heater Cord - Disconnect - Coolant Heater Cord Replacement (LWN) , or Coolant Heater Cord Replacement (LV1)
1	Coolant Heater CAUTION: Refer to Component Fastener Tightening Caution . Tighten 50 N.m (37 lb ft)

Callout

Component Name

Preliminary Procedures

Drain the coolant. Cooling System Draining and Filling (Static Fill LWN) , or Cooling System Draining and Filling (GE 47716 LWN) , or Cooling System Draining and Filling (Static LC8, LV1, L96) , or Cooling System Draining and Filling (GE47716 LC8, LV1, L96)
Engine Cover - Remove - Engine Cover Replacement
Coolant Heater Cord - Disconnect - Coolant Heater Cord Replacement (LWN) , or Coolant Heater Cord Replacement (LV1)

Coolant Heater

CAUTION:

Refer to Component Fastener Tightening Caution .

Tighten
50 N.m (37 lb ft)