Chevrolet Silverado 2008 Spezifikationen PDF herunterladen (Seite 551)

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(e) Make sure the safety belt reminder light and safety

belt assemblies are working properly. Look for any other

loose or damaged safety belt system parts. If you see

anything that might keep a safety belt system from doing

its job, have it repaired. Have any torn or frayed safety

belts replaced. Also see Checking the Restraint Systems

on page 1-88.

(f) Lubricate all key lock cylinders, body door hinges,

hood latch assembly, secondary latch, pivots, spring

anchor, release pawl, tailgate hinges, tailgate linkage,

tailgate handle pivot points, latch bolt, fuel door

hinge, locks, and folding seat hardware. More frequent

lubrication may be required when exposed to a

corrosive environment. Applying silicone grease on

weatherstrips with a clean cloth will make them

last longer, seal better, and not stick or squeak.

(g) Check vent hose at transfer case for kinks and

proper installation. Check to be sure vent hose

is unobstructed, clear, and free of debris. During any

maintenance, if a power washer is used to clean

mud and dirt from the underbody, care should be taken

to not directly spray the transfer case output seals.

High pressure water can overcome the seals and

contaminate the transfer case ﬂuid. Contaminated ﬂuid

will decrease the life of the transfer case and should

be replaced.

(h) Change automatic transmission ﬂuid and ﬁlter if the

vehicle Gross Vehicle Weight Rating (GVWR) is

over 8600 lbs or if the vehicle is mainly driven under

one or more of these conditions:

− In heavy city traffic where the outside temperature

regularly reaches 90°F (32°C) or higher.

− In hilly or mountainous terrain.

− When doing frequent trailer towing.

− Uses such as found in taxi, police or delivery

service.

(i) Drain, ﬂush, and reﬁll cooling system. This service

can be complex; you should have your dealer/retailer

perform this service. See Engine Coolant on page 5-29

for what to use. Inspect hoses. Clean radiator,

condenser, pressure cap, and ﬁller neck. Pressure test

the cooling system and pressure cap.

(j) A ﬂuid loss in any vehicle system could indicate a

problem. Have the system inspected and repaired and

the ﬂuid level checked. Add ﬂuid if needed.

(k) Inspect system. Check all fuel and vapor lines and

hoses for proper hook-up, routing, and condition. Check

that the purge valve, if the vehicle has one, works

properly. Replace as needed.

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