Technical Bulletin (No Heat from Passenger Side Cabin ? Heater Core Restricted): Excess flux from the...
Volkswagen technical service bulletin V801503 2040580 for 2013-2014 Volkswagen Passat.
- Bulletin number
- V801503 2040580
- Component
- Engine and engine cooling
- Summary
- Technical Bulletin (No Heat from Passenger Side Cabin ? Heater Core Restricted): Excess flux from the aluminum cooling system components (EA189 TDI engine CKRA) contaminates the cooling system. This over time causes a high acidic concentration in the coolant. The result is oxide particles (aluminum rust) and excess flux restricting the heater core. This document contains information on how to diagnose, and service this issue.
Owners of these vehicles have filed 190 complaints in the engine category.
Vehicles covered
- Volkswagen Passat 2013-2014 20132014
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