Camaro V8-6.2L (2010)
Heater Core: All Technical Service Bulletins
A/C, Cooling System - Gurgle or Rattle Type Noise
TECHNICAL
Bulletin No.: 09-01-37-001B
Date: March 16, 2010
Subject: Gurgle or Rattle Type Noise Coming from Instrument Panel (IP)/Heater Core/Transmission Area (Perform Repair as Outlined)
Models:
2010 Chevrolet Camaro
Equipped with V8 Engine (RPOs LS3, L99)
Built Prior to VIN Breakpoint A9188486
Supercede:
This bulletin is being revised to add a VIN breakpoint. Please discard Corporate Bulletin 09-01-37-001A (Section 01 - HVAC).
Condition
Some customers may comment on a gurgle or rattle type noise coming from the instrument panel (IP), heater core or transmission area.
Cause
Coolant flow within the heater core may be causing this noise.
Correction
Install a one-way flow valve, GM P/N 10188036, into the inlet heater hose using the following procedure.
1. Drain the coolant. Refer to the Cooling System Draining and Filling procedure in SI.
2. Remove the engine cover.
3. Reposition the heater inlet and outlet front hose assembly clamps using J 38185 pliers.
4. Disconnect the heater inlet and outlet front hose assembly quick connect fittings.
5. Remove the heater inlet and outlet front hose assembly.
6. Cut the rubber sleeve that wraps around the inlet and outlet heater hose assembly.
