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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
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Viewing 1 - 4 of 4 comments
2004 Volkswagen Jetta 85,000 mi,
coolant leak
Asset 58
(3)
2008 Volkswagen Jetta
VW Jetta 2008 Wolksburg only use VW coolant
Asset 58
(2)
1997 Volkswagen Jetta
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.
Asset 58
(2)
2006 Volkswagen Jetta
First leaking from front antifreeze had fixed now heater core spitting antifreeze to inside car
Asset 58
Thank
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