Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2008IMPALA V8-5.3LREPAIR AND DIAGNOSISMAINTENANCEDRIVE BELTSERVICE AND REPAIR
2008 Chevrolet Impala V8-5.3L
Drive Belt: Service and Repair
2008 Chevrolet Impala V8-5.3LSECTION Service and Repair
Drive Belt Replacement - Accessory
Tools Required
EN-47988 Serpentine Belt Tension Unloader
Removal Procedure
1. Remove the passenger side diagonal brace, if more clearance is required. Refer to Front Fender Upper Diagonal Brace Replacement .
2. Reposition the underhood bussed electrical center (UBEC), if more clearance is required.
3. Install the EN-47988 , to the drive belt tensioner.
4. Rotate the EN-47988 clockwise in order to relieve the tension on the belt tensioner.
5. Remove the drive belt (1) from over the power steering pump pulley.
6. Slowly release the EN-47988 .
7. Remove the EN-47988 from the belt tensioner.
8. Remove the drive belt (1) from around all the other pulleys.
9. Clean and inspect the belt surfaces of all the pulleys.
Installation Procedure
1. Install and route the drive belt around all the pulleys except for the power steering pump pulley.
2. Ensure that when installing the EN-47988 (1), to the belt tensioner that the EN-47988 is NOT installed above the drive belt (2).
3. Ensure that when installing the EN-47988 (1), to the belt tensioner that the EN-47988 is installed below the drive belt (2).
4. Rotate the EN-47988 clockwise in order to relieve the tension on the belt tensioner.
5. Ensure that the drive belt is still properly routed around all the other pulleys, then install the drive belt over the power steering pump pulley.
6. Slowly release the EN-47988 .
7. Remove the EN-47988 from the belt tensioner.
8. Inspect the drive belt for proper installation and alignment.
9. Position the UBEC, if required.
10. Install the passenger side diagonal brace, if required. Refer to Front Fender Upper Diagonal Brace Replacement .
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.