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Volkswagen
Jetta
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Wrong Anti-Freeze/Coolant May Cause Heater Core Leaks on Volkswagen Jetta

Problem Description and Possible Solution

Heater core leaks are common in this model, more so if the wrong anti-freeze/coolant is used in the cooling system.

Problem Data
RepairPal Verified
Average mileage: 122,750 (85,000–182,000)
17 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999, 2004, 2005, 2006, 2007, 2008, 2009, 2010
24 people reported this problem
Comments
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Heater core failed in 2008. Began leaking when A/C was on quite badly in 2010. Heater failed completely in 2011. Didn't have the $500 which covers the labor (independent garage not VW) to pull the entire dashboard to replace the heater core. Bypassed heater in the meantime.