Volkswagen Polo Service & Repair Manual: Odor from the Heater and A/C Unit
Possible Concerns
Note
The A/C system is functioning correctly when the air flowing
from the instrument panel vents has a temperature of 70C
or lower.
...
Odor from Evaporator or Heat Exchanger?
Fishy smell
–
From leak at cooling system of engine or of A/C system
heater core.
Note
...
Other materials:
Introduction
This chapter contains information on the following subjects:
→ Stowage
→ Contents
Observe any country-specific legislation when securing your vehicle in the
event of a breakdown.
Additional information and warnings:
Preparation for working in the engine compartment
...
Checklist
Carry out the steps in the specified order :
With the engine at operating temperature,
park the vehicle on a level surface to ensure that the engine oil reading is
correct.
Switch off the engine and wait a few minutes
for the engine oil to flow back into the sump.
Open the ...
Refrigerant Circuit Pipes and Hoses
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
system.
Only use tools and materials approved by the
manufactu ...
