GMC 2003 Envoy - Manual (Page 416)

Part C: Periodic Maintenance
Inspections
bsEed in this part are inspections and services which
should be performed al least twice a year (for instance,
each spring gnd (all). You shoufd ietyaur dcainr's
S9fvic6 departrrtent ar öftrer quafified s&vice csmer do
those jobs. M ake sure any hecesssry repairs are
completed at
onoo.
Proper procedures I d perform ihese services may be
found m a service manual. See Serv/ce PubSapf3^ipr}s
Ordering /fitorrnafj'cjn cv? page 7- W .
Steering, Suspension and Front
Drive Axle Boot and Seal Inspection
inspsct the rrent and rear suspension and steering
system für damaged, loose or missing parts, signs oi
weflf or lack of lubrication. Inspect the power steering
iines artd hoses lor proper hook-up, binding, leaks,
cracks, chafing, etc. Clean and then inspect the drtve
axle hoot saais for damage, tears or leakage. Replace
seals if necessary.
Exhaust System Inspection
Inspect Ihe cornplele exhaust syslem. I ns peel the body
near Ihe eJihaust system. Look for broken, damaged,
missirig Dr out'Of'Position parts as well as open seams,
holes, loose connecliona or olher conditiorts which
could causg a heal buiJd-up in The floor pan or could let
exhaust lumes into the vehicle. See BrjgiriB Bxdausi
on page £"'33.
Fuel System Inspection
Inspect the complete fuel system for damage or leaks.
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