Heater Core Replacement

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Removing/Installing Heater Core

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
NOTE: Refer to Fastener Notice . Fastener Tightening Specifications: Refer to Fastener Tightening Specifications . Preliminary Procedure Remove the HVAC module assembly. Refer to HVAC Module Assembly Replacement . Remove the left hand floor duct. Refer to Floor Air Outlet Duct Replacement - Left Side .
1	TXV Pass Through Seal
2	Heater and A/C Pipe Cover Screw (Qty: 3) Tighten: 1.0 N.m (9 lb in)
3	Heater and A/C Pipe Cover
4	Heater Core Tube Clamp Screw Tighten: 1.0 N.m (9 lb in)
5	Heater Core Tube Clamp
6	Core, Heater