Canada - A/C - A/C Evaporator Drain Blockage
BulletinTSB2794
Issue Date
April 19, 2010
Title
HVAC EVAPORATOR DRAIN BLOCKAGE
Component
HEATING/AIR CONDITIONING
Models
'06-'07 GS430; '07 GS450h
TSB SUPERSESSION NOTICE
The information contained in this TSB supersedes TSB No. 2544.
TSB No. 2544 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this service bulletin before proceeding.
INTRODUCTION:
Some GS430 and GS450h vehicles may exhibit a condition of water present on the front or rear carpets of the vehicle due to the HVAC evaporator drain becoming blocked by debris. An improved HVAC evaporator drain and packing have been made available as separate serviceable parts. Use the following repair procedure to correct this condition.
APPLICABILITY:
PRODUCTION CHANGE INFORMATION:
This TSB applies to vehicles produced BEFORE the Production Change Effective VIN shown.
WARRANTY INFORMATION:
PARTS INFORMATION:
REPAIR PROCEDURE:
1. Remove the air conditioning unit.
Refer to the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: GS430/ GS450h
- Year: Applicable year
- Service Category: Vehicle Interior
- Section: Heating/Air Conditioning
- Keyword: Air Conditioning: Air Conditioning Unit: Removal
2. Remove the HVAC evaporator drain and packing.
3. Install the NEW HVAC evaporator drain and packing to the air conditioning unit.
4. Install the air conditioning unit.
Refer to the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: GS430/ GS450h
- Year: Applicable year
- Service Category: Vehicle Interior
- Section: Heating/Air Conditioning
- Keyword: Air Conditioning: Air Conditioning Unit: Installation
NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.