A coolant leak may develop after oil filter replacement. When tightening or loosening the oil filter the filter housing may turn damaging the coolant o-ring seal. The recommended procedure is to hold the filter housing when tightening or loosening the oil filter.
Coolant Leak From Oil Filter Housing O-Ring on Volkswagen Cabrio
Average mileage: 142,166 (110,000–160,000)
Engine affected: 2.0L 4 Cylinder
14 people reported this problem
Dealer wanted $500 for this. Also,loss of coolant resulted in thermostat check engine light that lead to unnecessary change of thermostat.
1999 Volkswagen Cabrio - 2.0L 4 Cylinder 158,000 mi, Visitor
2001 Volkswagen Cabrio - 2.0L 4 Cylinder 135,000 mi, Visitor
Slow coolant leak for the past year then my oil filter housing unit cracked leaking oil. Ordered a used oil filter housing & waiting for it to arrive