Porsche 911 TURBO - 1975 WORSHOP, Manual

Page: 187 / 252

Maintenance, Car Care
187
Air Cleaner
f
Please observe the chapter “NOTES ON
MAINTENANCE” on page 176.
Regular replacement of the filter element is part of
servicing.
f
In dusty conditions, check the filter element
more frequently and replace if necessary.
Combination filter
The fresh air passing through the combination
filter into the passenger compartment is virtually
free of dust, pollen, and unpleasant odours.
f If the outside air is polluted by exhaust fumes,
press the circulating-air button.
A dirty filter can be the cause of reduced air
throughput:
f Have the filter replaced.
Consult a qualified specialist workshop. We
recommend a Porsche partner for this work as
they have trained workshop personnel and the
necessary parts and tools.
Regular filter replacement is part of servicing.