How to flush the oil cooler and replace the oil filter to prevent premature engine wear on GMC C3500?

If there are foreign items in the Oil Cooler or the engine is damaged inside, flush it and change the Oil Filter during servicing. You should begin by removing the grill from the machine first. After that, remove the bolt (3) holding the hose clip, remove the nuts (2) securing the cooler lines and lastly pull the cooler lines away from the Engine Oil Cooler (1). The next step is to remove the bolts that hold the Engine Oil Cooler (3) and pull it out of the mounting brackets (4). For installation, put the Engine Oil Cooler on top of the mounting brackets and attach it to them with the Engine Oil Cooler mounting bolts. Tighten them until they reach 11 nm (97 inch lbs.). Join the cooler lines to the Engine Oil Cooler (1). Secure the fasteners at each line opening to 24 nm (18 ft. Lbs.). Place the Engine Oil Cooler hose clip and drive the bolt underneath to a tightness of 11 nm (97 inch lbs.). After everything else is complete, add oil to the engine so it reaches the proper level, start the engine and check for all leaks in the system.

OEM GMC C3500 Oil Cooler

Engine Oil Cooler

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5 Oil Coolers found

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GMC C3500 Oil Cooler Part Number: 15557751
Product Specifications
- Other Name: Cooler Assembly-Engine Oil; Cooler Assembly; Cooler, Engine Oil Cooler
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1997 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Transmission Cooler Part Number: 15974686
Product Specifications
- Other Name: Cooler, Transmission Oil Cooler
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Oil Cooler Part Number: 15158525
Product Specifications
- Other Name: Cooler, Engine Oil Cooler; Cooler Assembly
- Replaces: 15731297
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2000 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 6.5 L DIESEL
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GMC C3500 Oil Cooler Part Number: 12364238
Product Specifications
- Other Name: Cooler, Engine Oil Cooler
- Replaces: 3053355
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C3500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Power Steering Cooler Part Number: 26049289
Product Specifications
- Other Name: Cooler, Power Steering Fluid; Power Steering Cooler Tube
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989-1991 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS

GMC C3500 Oil Cooler

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The Oil Cooler is aslways recognized for its dependability and reliability in keeping the engine efficiency up and duration as well. This oil cooler specifically manufactured for different versions of GMC C3500 is responsible for managing the temperature of the engine oil or in other words maintaining the viscosity of the oil in extreme conditions. The Oil Cooler adequately manages heat, blockage, and oil drips that could be fatal to the motor. Its build quality and cooling features stand out in the car industry and by incorporating the two it makes cars more efficient and safer to use for everyone. The Oil Cooler is suitable for various types of the C3500, for example, various wheelbase and different kinds of transmissions therefore offering a solution to various applications. This versatility is further enhanced by features such as the oil to water cooling which help the performances especially in a stressed up environment. At a lower oil temperature maintained by the Oil Cooler this not only increases the life span of the engine but also the efficiency of the vehicle. In conclusion, the Oil Cooler is a must-have deal to any GMC C3500 user, not only being an essential but also high-quality device, that provides excellent result for the car.

GMC C3500 Oil Cooler Parts Questions & Experts Answers

Oil Cooler
15158525
Q: How to flush the oil cooler and replace the oil filter to prevent premature engine wear on GMC C3500?
A:
If there are foreign items in the Oil Cooler or the engine is damaged inside, flush it and change the Oil Filter during servicing. You should begin by removing the grill from the machine first. After that, remove the bolt (3) holding the hose clip, remove the nuts (2) securing the cooler lines and lastly pull the cooler lines away from the Engine Oil Cooler (1). The next step is to remove the bolts that hold the Engine Oil Cooler (3) and pull it out of the mounting brackets (4). For installation, put the Engine Oil Cooler on top of the mounting brackets and attach it to them with the Engine Oil Cooler mounting bolts. Tighten them until they reach 11 nm (97 inch lbs.). Join the cooler lines to the Engine Oil Cooler (1). Secure the fasteners at each line opening to 24 nm (18 ft. Lbs.). Place the Engine Oil Cooler hose clip and drive the bolt underneath to a tightness of 11 nm (97 inch lbs.). After everything else is complete, add oil to the engine so it reaches the proper level, start the engine and check for all leaks in the system.