2. Operate the engine for no longer
than 30 to 40 seconds.
Does the chirping noise still exist?
Go to
Engine Noise on Start-Up, but
Only Lasting a Few Seconds
,
Upper
Engine Noise, Regardless of Engine
Speed
, or
Lower Engine Noise,
Regardless of Engine Speed
Go to
Step 4
4
Inspect for severe drive belt pilling
exceeding 1/3 of the drive belt groove
depth.
Do the drive belt grooves have pilling?
Go to
Step 5
Go to
Step 6
5
Clean the accessory drive pulley(s) with
a suitable wire brush.
Were the accessory drive pulley(s)
cleaned?
Go to
Step 14
-
6
Inspect for a misaligned accessory drive
pulley(s).
Is there a misaligned accessory drive
pulley(s)?
Go to
Step 7
Go to
Step 8
7
Replace and/or repair the misaligned
accessory drive pulley(s).
Were the misaligned accessory drive
pulley(s) replaced and/or repaired?
Go to
Step 15
-
8
Inspect for a bent or cracked accessory
drive bracket(s).
Did you find any bent or cracked
accessory drive bracket(s)?
Go to
Step 9
Go to
Step 10
9
Replace the bent and/or cracked
accessory drive bracket(s).
Was the bent and/or cracked accessory
drive bracket(s) replaced?
Go to
Step 15
-
10
Inspect for incorrect, loose, and/or
missing fasteners.
Were there any incorrect, loose, and/or
missing fasteners found?
Go to
Step 11
Go to
Step 12
11
1. Replace any incorrect and/or
missing fasteners.
2. Tighten any loose fasteners.
Refer to
Fastener Tightening
Specifications
.
Were the fasteners replaced and/or
tightened?
Go to
Step 15
-
12
Inspect for a bent accessory drive
pulley(s).
Was a bent accessory drive pulley(s)
found?
Go to
Step 13
Go to
Step 14
2004 Chevrolet Corvette
2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette
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December-24-07 10:50:09 AM
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