Suzuki XL7 2007 Service Manual page 379

Step
1. Remove the drive belt.
If the engine has multiple drive belts, remove the belts one
at a time and perform the test below each time a belt is
removed.
3
2. Operate the engine for no longer than 30-40 seconds.
3. Repeat this test if necessary by removing the remaining
belt(s).
Does the rumbling or vibration still exist?
Inspect the drive belts for wear, damage, separation, sections
4 of missing ribs, and debris build-up.
Did you find any of these conditions?
Inspect for severe pilling of more than 1/3 of the drive belt
5 pulley grooves.
Did you find severe pilling?
1. Clean the drive belt pulleys using a suitable wire brush.
2. Reinstall the drive belts. Refer to "Drive Belt
6
Replacement".
Did you correct the condition?
Install a new drive belt. Refer to "Drive Belt Replacement".
7
Did you complete the replacement?
Operate the system in order to verify the repair.
8
Did you correct the condition?
Inspect for improper, loose or missing fasteners.
9
Did you find any of these conditions?
CAUTION
!
Refer to "Fastener Notice: ".
10 1. Tighten any loose fasteners. Refer to "Fastener Tightening
Specifications - Engine Mechanical - 3.6L (LY7): ".
2. Replace improper or missing fasteners.
Did you complete the repair?
Inspect for a bent water pump shaft. Refer to "Water Pump
11 Replacement: ".
Did you find and correct the condition?
Inspect for bent or cracked brackets.
12
Did you find and correct the condition?
Operate the system in order to verify the repair.
13
Did you correct the condition?
Action
Engine Mechanical:
Yes
Go to "Symptoms -
Engine Mechanical"
or
Go to "Vibration
Analysis - Engine"
Go to Step 7
Go to Step 6
Go to Step 8
Go to Step 8
System OK
Go to Step 10
Go to Step 13
Go to Step 13
Go to Step 13 Go to Diagnostic Aids
System OK
1D-39
No
Go to Step 4
Go to Step 5
Go to Step 7
Go to Step 7
Go to Step 9
Go to Step 9
Go to Step 11
Go to Step 11
Go to Step 12
Go to Step 3