I
Long TriplHighway Maintenance Schedule
I
Q
Drain, flush and refill cooling system (or
every
30
months, 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.
7
0
Replace spark plugs.
An
Emission
Control
Service.
Replace air cleaner filter.
An
Emission
Control
Service.
0
Inspect fuel tank, cap and lines for damage
or leaks. Inspect fuel cap gasket for any
damage. Replace parts as needed.
An
Emission
Control
Service.
0
Change manual transmission fluid (or every
30
months, whxhever occurs first).
I7
Replace fuel filter (or every
30
months,
whichever occurs first, or sooner
if
filter is
clogged).
An
Emission
Control
Service.
17
Inspect the locking front hubs (if equipped)
for correct operation (or every
3
months,
whichever occurs first). Repair or replace
if
necessary.
0
Inspect the valve lash and adjust if
necessary.
An
Emission
Control
Service.
(Continued)
7-35