How to Solve Detroit Diesel GHG14 Engine Belt Drive Noise

This instruction show you guide on how to solve Detroit Diesel GHG14 EPA07 DDEC VI 10 engine belt drive noise.

 

Related Contents:

2024 Detroit Diesel Diagnostic Link DDDL 8.19 8.09 Free Download

JPRO DLA+ 2.0 Adapter

 

Excessive belt drive noise can be caused by a damaged or worn belt, damaged pulleys, inadequate belt tension, or a damaged accessory component.

Inspect as follows: 

Note : The belt will naturally track slightly forward on the pulley.

 

1.Verify the complaint.

NOTICE

Detroit does not approve the use of belt dressing or other like products as this may result in premature belt wear.

Note : Different engine types and different water pump configurations will use different belt part numbers.

 

2.Check the maintenance records to be sure the belts are not overdue for a maintenance interval. Refer to section “EPA07/EPA10/GHG14/GHG17 Preventive Maintenance Tables – 93K222(CK-4) and 93K223(FA-4)” . Do the belts require replacement?

2a Yes; replace both belts.

2b No; Go to step 3.

 

3.Remove the belts.

 

4.Check the belts for fluid contamination. Check for leaks from engine or chassis components. Are there any fluids leaking onto the belts?

4a Yes; repair the leak and replace both belts. Verify repair.

4b No; Go to step 5.

 

5.Visually inspect the condition of the belts.

5a Yes; replace both belts and inspect the pulleys for damage.

 

5b No; Go to step 6.

 

6.Rotate the idler and accessory pulleys by hand while checking for grinding, sticking, and excessive lateral or radial play. Is damage present?

6a Yes; replace damaged pulley and both belts . Verify repair.

6b No; Go to step 7.

 

7.Visually inspect the belt tensioner for damage. Make sure the belt tensioner is applying constant adequate tension on the belt, and make sure that it does not stick or bind. Is damage present?

7a Yes; replace the belt tensioner and both belts.

7b No; Go to step 8.

 

8.Is the engine equipped with a strut type belt tensioner?

8a Yes; Go to step 9.

8b No; replace both belts.

Note : Oil leaks from the belt tensioner strut can normally be seen near the bottom of the strut.

 

 

9.Inspect the belt tensioner strut. Check for a broken strut mount or oil leaking at the strut (1). Is the strut mount broken or oil leaking at the strut?

9a Yes; replace the belt tensioner and both belts.

9b No; replace both belts.

 

More repair cases for Detroit Diesel engines,please refer to:Detroit Diesel Engine Repair

 

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