TT 80-15-01

Tech Tips
Date: July 31, 2015
TT 80-15-01
2015 Jetta 2.0l TDI (CVCA engine code) - Vibration/Rattle on
acceleration, under mild/medium load
The Heater core pipe fastener may be loose allowing pipes to contact the bulk head causing a vibration.
Inspect the fastener in the engine compartment that holds the heater core tubes to the air box assembly.
Inspect the heater core tube fastener

If loose re-torque to 1.5Nm

If screw is missing order substitute fastener
WHT004564. Install and torque to 1.8Nm.
Note:
Do not over torque the fastener. The plastic
around the tubes may become deformed and
damaged.
Inspect the heater core clamps are not contacting the
air box. Adjust the clamps away from the air box
assembly. Tighten clamp screws 2Nm.
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