1999 GMC ENVOY Owners Manual

Page 329 of 384

GMC ENVOY 1999  Owners Manual Short Trip/City Scheduled Maintenance
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7-17
Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
54,

Page 330 of 384

GMC ENVOY 1999  Owners Manual Short Trip/City Scheduled Maintenance
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7-18
60,000 Miles (100 000 km)
Change engine oil and filter (or every 3 months, whichever occurs first). 
An Emission Control Service. 
Lubricat

Page 331 of 384

GMC ENVOY 1999  Owners Manual Short Trip/City Scheduled Maintenance
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7-19
Inspect fuel tank, cap and lines for damage or leaks. Inspect fuel cap gasket
for any damage. Replace parts as needed. 
An Emission Control

Page 332 of 384

GMC ENVOY 1999  Owners Manual Short Trip/City Scheduled Maintenance
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7-20
66,000 Miles (110 000 km) (Continued)
Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle sea

Page 333 of 384

GMC ENVOY 1999  Owners Manual Short Trip/City Scheduled Maintenance
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7-21
75,000 Miles (125 000 km)
Change engine oil and filter (or every 3 months, whichever occurs first). 
An Emission Control Service. 
Lubricat

Page 334 of 384

GMC ENVOY 1999  Owners Manual Short Trip/City Scheduled Maintenance
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7-22
78,000 Miles (130 000 km)
Change engine oil and filter (or every 3 months, whichever occurs first). 
An Emission Control Service. 
Lubricat

Page 335 of 384

GMC ENVOY 1999  Owners Manual Short Trip/City Scheduled Maintenance
yellowblue     
7-23
Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
Ro

Page 336 of 384

GMC ENVOY 1999  Owners Manual Short Trip/City Scheduled Maintenance
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7-24
90,000 Miles (150 000 km) (Continued)
Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of th