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Tim's Auto Repair
Tim's Auto Repair, mechanic
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Experience:  Have owned a repair shop for 25 yrs.
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Chevrolet Silverado 2500 HD: how to clean egr valve 2005 d

Resolved Question:

how to clean egr valve 2005 duramax
Submitted: 4 years ago.
Category: Chevy
Expert:  Tim's Auto Repair replied 4 years ago.
hi
2005 Chevy Truck Silverado 2500 2WD V8-6.6L DSL Turbo VIN 2
Exhaust Gas Recirculation Service and Repair, Procedures: Exhaust Gas Recirculation (EGR) System Cleaning


EXHAUST GAS RECIRCULATION (EGR) SYSTEM CLEANING

CAUTION: Avoid breathing fumes and swallowing EGR exhaust deposits when removing components for cleaning as bodily injury may result.

1. Remove the exhaust gas recirculation (EGR) cooler tube.
2. Depress the pintle several times using a pencil eraser or other suitable soft instrument. The pintle should move in and out smoothly. Replace the valve if the valve exhibits tendencies to stick.
3. Try to rotate the EGR valve electrical connector housing. Repeat for the coil housing. Replace the valve if the valve exhibits any looseness. Inspect the EGR valve pintle and seat for deposits. Use a cloth or other suitable soft device to remove the deposits. Remove all loose particles. Replace the valve if the deposits are such that the pintle to base interface cannot be cleaned adequately to allow the pintle to seal against the seat. Damage to the powdered metal EGR valve base occurs if cleaned with solvents, sharp tools, wire brush or wheel, or sand blasting. Cleaning by these methods is not recommended.
4. Clean the passages with a wire brush. Remove all loose particles.
5. Install the EGR cooler tube.
after you remove the egr valve..use carb cleaner to clean the valve...then reinstall it
thanks

2005 Chevy Truck Silverado 2500 2WD V8-6.6L DSL Turbo VIN 2
EGR Valve Service and Repair, Removal and Replacement: Exhaust Gas Recirculation (EGR) Valve


EXHAUST GAS RECIRCULATION (EGR) VALVE REPLACEMENT

REMOVAL PROCEDURE

27_gc-1401821.png

1. Remove the exhaust gas recirculation (EGR) cooler tube.
2. Remove the EGR valve bolts (3).
3. Remove the EGR valve/solenoid assembly (1).
4. Remove and discard the EGR valve/solenoid assembly gasket (2).

INSTALLATION PROCEDURE

27_gc-1401821.png

1. Install a NEW EGR valve/solenoid assembly gasket (2).
2. Install the EGR valve/solenoid assembly (1).

NOT: Refer to Fastener Notice in Service Precautions.

3. Install the EGR valve bolts.

Tighten the bolts to 20 N.m (15 lb ft).

4. Install the EGR cooler tube.

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