Cooling System, A/C - Poor Heater Output
8008-02
Affected Vehicles
Condition
80 08 02 Sep. 02, 2008 2018424 Supersedes Technical Bulletin Group 80 number 08-01 dated Jul. 31, 2008 due removal of Routan applicability.
Reduced Heating Performance
Customer may perceive heater output inadequate
Note: The condition as described does not compromise visibility.
Technical Background
2019 Volkswagen Jetta GLI(1K2) L4-2.0L Turbo (CCTA) Volkswagen JETTA Page 115
The addition of aftermarket cooling system sealers may affect the hydrodynamics of the cooling system, therefore
reducing coolant flow and the ability to exchange heat properly.
Production Solution
No production change required.
Service
Note:
- DO NOT use cooling system sealants of any kind.
- Volkswagen Group of America does not recommend use of cooling system sealants.
- Cooling system flush, drain and refill, or partial drain and refill IS NOT a warrantable item.
Warranty
Information Only.
Required Parts and Tools
No Special Parts Required.
Additional Information
All part and service references provided in this Technical Bulletin are subject to change and/or removal. Always check with your Parts Dept. and
