Suzuki XL7 2007 Service Manual page 930

1J-37 Charging System:
Step
Inspect the generator for a loose pulley and/or pulley nut.
4
Is the generator pulley or pulley nut loose?
1. Loosen all of the generator mounting bolts.
2. Tighten the generator mounting bolts to specifications and
in the proper sequence, if necessary. Refer to "Generator
Replacement".
5
3. Install the drive belt. Refer to "Drive Belt Replacement: ".
4. Start the engine.
Has the noise decreased or stopped?
Inspect the generator for the following conditions:
• Strained or stretched electrical connections
• Hoses or other vehicle equipment resting on the generator,
6
which may cause the noise to be transmitted into the
passenger compartment
Are any electrical connections pulling on the generator or are
any hoses, etc. resting on the generator?
1. Reroute the electrical connections to relieve the tension.
2. Reroute the hoses, etc. away from the generator.
7
3. Start the engine.
Has the noise decreased or stopped?
Inspect the drive belt for proper tension. Refer to "Drive Belt
8 Tensioner Diagnosis: ".
Is the drive belt loose?
1. Replace the drive belt tensioner. Refer to "Drive Belt
Tensioner Replacement: ".
9
2. Start the engine.
Has the noise decreased or stopped?
Compare the vehicle with a known good vehicle.
10
Do both vehicles make the same noise?
NOTE
If no definite generator problems were found, be
sure that all other possible sources of
objectionable noise are eliminated before
replacing the generator. Replacing the generator
11 may not change the noise level if the noise is a
normal characteristic of the generator or the
generator mounting.
Replace the generator. Refer to "Generator Replacement".
Has the noise decreased or stopped?
Operate the system in order to verify the repair.
12
Did you correct the condition?
Action Yes
Go to Step 11 Go to Step 5
System OK Go to Step 6
Go to Step 7 Go to Step 8
System OK Go to Step 8
Go to Step 9 Go to Step 10
System OK Go to Step 11
System OK Go to Step 11
Go to Step 12
System OK Go to Step 2
No
—