Chevrolet 1995 Tahoe Owner's Manual page 441

Maintenance Schedule I
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Diesel Engines
60,000 Miles (100 000 km)
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Change engine oil and filter (or every 3 months, whichever occurs
first). An Emission Control Service.
Lubricate the front suspension, king pin bushings, steering linkage,
transmission shift linkage, transfer case shift linkage, parking brake
cable guides, rear driveline center splines, front axle propshaft splines,
brake pedal springs and clutch pedal springs. Ball joints and king pin
bushings should not be lubricated unless their temperature is 10" F
(-12" C), or higher. When weather
is
cold, let the ball joints and king
pin bushings warm up before lubrication or they could be damaged.
Perform each of the listed lubrication service items at this mileage
interval (or every 12 months, whichever occurs first).
Drain, flush and refill the cooling system with new coolant (or every 24
months, whichever occurs first). See "Engine Coolant'' in the Index for
what to use. An Emission Control Service.
Also inspect the hoses and replace them if they are cracked, swollen or
deteriorated. Tighten all hose clamps (except constant tension clamps).
Remove debris and clean the outside of the radiator and air
conditioning condenser. Wash the radiator neck. To ensure proper
operation, pressure test the radiator and cap.
Replace air cleaner filter. Replace filter more often under dusty
conditions. An Emission Control Service.
*
For 2-Wheel Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
Check the crankcase depression regulator valve system for any worn,
plugged or collapsed hoses, See service manual. An Emission Control
Service.
Replace fuel filter. Replace filter sooner if
it is
clogged.?
Check the EGR System (if equipped) (except Code F engine) as
described in the service manual. An Emission Control Service.
(Continued)
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