Chevrolet 1995 Tahoe Owner's Manual page 416

I
Maintenance Schedule II
-
Gasoline Engines With
Heavy Duty Emissions
I
The services shown in this schedule up to 60,000 miles (100 000 km) should
be performed after 60,000 miles
(
100 000 km) at the same intervals.
Footnotes
**
Drive axle service:
0
Locking Differential
-
Drain fluid and refill at first engine oil change.
At subsequent oil changes, check fluid and add fluid as needed. If
driving in dusty areas or towing a trailer, drain fluid and refill every
15,000 miles (25 000 km).
0
Standard Differential - Check fluid level and add fluid as needed at
every engine oil change. If driving in dusty areas or towing a trailer,
drain fluid and refill every 15,000 miles (25 000 km).
0
More frequent lubrication may be required for heavy-duty or off-road
use.
6,000 Miles (10 000 km)
Change engine oil and filter (or every 12 months, whichever occurs
first).
An
Emission Control
Service.
0
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).
0
Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals for leaking.*:*
0
Rotate tires. See "Tire Inspection and Rotation'' in the Index for proper
rotation pattern and additional information.
DATE SERVICED BY: ACTUAL MILEAGE