engine GMC SIERRA 1999 Owner's Manual

GMC SIERRA 1999 Owner's Manual SIERRA 1999 GMC GMC https://www.carmanualsonline.info/img/44/35605/w960_35605-0.png GMC SIERRA 1999 Owner's Manual

Page 379 of 440

GMC SIERRA 1999  Owners Manual Short Trip/City Scheduled Maintenance -- Gasoline Engines
yellowblue     
7-17
Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (S

Page 380 of 440

GMC SIERRA 1999  Owners Manual Short Trip/City Scheduled Maintenance -- Gasoline Engines
yellowblue     
7-18
50,000 Miles (83 000 km)
Change automatic transmission fluid and filter if the vehicles GVWR is over
8600 lbs. or if th

Page 381 of 440

GMC SIERRA 1999  Owners Manual Short Trip/City Scheduled Maintenance -- Gasoline Engines
yellowblue     
7-19
54,000 Miles (90 000 km)
Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control S

Page 382 of 440

GMC SIERRA 1999  Owners Manual Short Trip/City Scheduled Maintenance -- Gasoline Engines
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7-20
60,000 Miles (100 000 km)
Change engine oil and filter (or every 3 months, whichever occurs first). 
An Emission Control

Page 383 of 440

GMC SIERRA 1999  Owners Manual Short Trip/City Scheduled Maintenance -- Gasoline Engines
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7-21
Conduct evaporative control system inspection. Check all fuel and vapor lines
and hoses for proper hook
-up, routing and

Page 384 of 440

GMC SIERRA 1999  Owners Manual Short Trip/City Scheduled Maintenance -- Gasoline Engines
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7-22
66,000 Miles (110 000 km)
Change engine oil and filter (or every 3 months, whichever occurs first). 
An Emission Control

Page 385 of 440

GMC SIERRA 1999  Owners Manual Short Trip/City Scheduled Maintenance -- Gasoline Engines
yellowblue     
7-23
Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (S

Page 386 of 440

GMC SIERRA 1999  Owners Manual Short Trip/City Scheduled Maintenance -- Gasoline Engines
yellowblue     
7-24
78,000 Miles (130 000 km)
Change engine oil and filter (or every 3 months, whichever occurs first). 
An Emission Control

Page 387 of 440

GMC SIERRA 1999  Owners Manual Short Trip/City Scheduled Maintenance -- Gasoline Engines
yellowblue     
7-25
Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (S

Page 388 of 440

GMC SIERRA 1999  Owners Manual Short Trip/City Scheduled Maintenance -- Gasoline Engines
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7-26
90,000 Miles (150 000 km) (Continued)
For Two
-Wheel-Drive vehicles only: Clean and repack the front wheel
bearings (or