Oil pump replacement instructions needed

Hi,

There are two different possible engines in this vehicle. According to my manual, they follow the same directions.

The attached pics will correlate with the directions.

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The oil pump on this engine is located behind the crankshaft pulley. Here are the directions for removal:

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2.8L or 3.5L

2006 Chevy Truck Colorado 4WD L4-2.8L VIN 8
23. Oil Pump Removal
Vehicle Engine, Cooling and Exhaust Engine Service and Repair Overhaul Unit Repair 06 STPU 2.8L Repair Instructions 23. Oil Pump Removal
23. OIL PUMP REMOVAL
Oil Pump Removal

pic 1


1. Remove the oil pump cover bolts.
2. Remove the oil pump cover.
3. Mark the inner and outer gears in relation to the oil pump housing.
4. Remove the inner and outer oil pump gears.
5. Remove the oil pump pressure relief valve plug.
6. Remove the oil pump pressure relief valve and spring.

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Install

2006 Chevy Truck Colorado 4WD L4-2.8L VIN 8
79. Oil Pump Installation
Vehicle Engine, Cooling and Exhaust Engine Service and Repair Overhaul Unit Repair 06 STPU 2.8L Repair Instructions 79. Oil Pump Installation
79. OIL PUMP INSTALLATION
Oil Pump Installation


pic 2


1. Install the oil pump pressure relief valve and spring.

2. Notice: Refer to Fastener Notice in Service Precautions.

Install the oil pump pressure relief valve plug.
Tighten the oil pump pressure relief valve plug to 14 Nm (124 inch lbs.).
3. Install the oil pump outer and inner gears as removed.
4. Install the oil pump cover.
5. Install the oil pump cover bolts.
Tighten the oil pump cover bolts to 10 Nm (89 inch lbs.).

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Let me know if this helps or if you have other questions.

Take care,
Joe

Does the oil pan have to be removed to replace oil pump 2004 Colorado 3.5?

Hi,

The oil pump isn't located in the oil pan. However, I believe there are a couple of bolts that go up through the oil pan to the bottom of the cover assembly.

Keep in mind, that is only the pump which I'm referring to. There is still a pick-up tube and screen in the oil pan.

Let me know if that helps.

Take care,

Joe