Chevrolet 1995 Tahoe Owner's Manual page 437

I
Maintenance Schedule I
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Diesel Engines
I
(Continued)
0
Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.
**
47,500 Miles (76 000 km)
0
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).
DATE SERVICED BY: ACTUAL MILEAGE
7-74