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, more

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23 people reported this problem

Viewing 1 - 4 of 4 comments

1997 Volkswagen Jetta

Visitor

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.

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2004 Volkswagen Jetta 85,000 mi,

Visitor

coolant leak

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2008 Volkswagen Jetta

Visitor

VW Jetta 2008 Wolksburg only use VW coolant

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2006 Volkswagen Jetta

Visitor

First leaking from front antifreeze had fixed now heater core spitting antifreeze to inside car