Cadillac escalade ext 2002 Manuale Utente

j Change automatic transmission fluid and if the vehicle is mainly driven under

one or more of these conditions:

– In heavy city traffic where the outside temperature regularly reaches 

90

_F (32_C) or higher.

– In hilly or mountainous terrain.
– When doing frequent trailer towing.
– Uses such as found in taxi, police or delivery service.

j If you haven’t used your vehicle under severe service conditions listed

previously and, therefore, haven’t changed your automatic transmission fluid,
change both the fluid and filter.

j Inspect Positive Crankcase Ventilation (PCV) valve. 

An Emission Control Service. 

j Drain, flush and refill cooling system (or every 60 months since last service,

whichever occurs first). See “Engine Coolant” in the Index for what to use.
Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test
the cooling system and pressure cap. 
An Emission Control Service.