Buick Encore: Engine oil and oil filter replacement

Removal Procedure

1. Open hood.
2. Place a drain pan below the vehicle.

CAUTION: To prevent damage to oil filter cap ensure proper tool is used. Do not use an open end wrench which may cause damage to filter cap.

3. Using a 24mm socket or closed end wrench loosen oil filter cap. Unscrew filter cap 3 turns and let oil filter and cap assembly drain in housing for 30 seconds.

Fig. 189: Engine Oil Filter Cap, Cap Seal Ring And Oil Filter Element

NOTE: Use care when removing engine oil filter cap and filter to minimize fluid spillage. If fluid spillage occurs it must be cleaned with appropriate cleaner.

NOTE: Inspect oil filter cap for any cracks or damage. If oil filter cap is damaged it must be replaced.

4. Remove the engine oil filter cap (2) with the engine oil filter cap seal ring (3) and the oil filter element (1).
5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
6. Remove the oil pan drain plug and allow the oil to drain into the drain pan.

Installation Procedure

1. Clean the oil pan drain plug thread in the oil pan.

NOTE: Inspect oil drain plug seal ring for damage, replace if damaged.

2. Install a NEW seal ring, if necessary to the oil pan drain plug.

CAUTION: Refer to Component Fastener Tightening Caution .

3. Install the oil pan drain plug and tighten to 14 (10 lb ft).
4. Lower the vehicle.

Fig. 190: Engine Oil Filter Cap, Cap Seal Ring And Oil Filter Element

5. Ensure that the engine oil filter cap seal (3) is properly seated then install the engine oil filter cap (2) and element (1) hand tight.

Fig. 191: Oil Filter Cap Seal Ring

CAUTION: Ensure oil filter cap is completely seated on oil filter housing. If not completely seated an oil leak may occur.

CAUTION: Over torquing the oil filter cap may cause damage to the oil filter cap resulting in an oil leak.

6. Using a 24mm socket or closed end wrench tighten the engine oil filter cap to 25 (18 lb ft).

CAUTION: Using engine oils of any viscosity other than those viscosities recommended could result in engine damage.

NOTE: Do not overfill the engine with engine oil.

NOTE: Anytime engine oil is added (top off or oil changes) ensure all engine surfaces are completely free of residual oil. If there is oil on any engine surface clean as necessary.

7. Fill engine with NEW oil using Dexos 5W-30 specification.

Fig. 192: Proper Oil Filler Cap Seating

NOTE: Oil fill cap must be properly seated and tightened during installation.

8. Install oil fill cap.
9. Start the engine and allow it to run until the oil pressure control indicator goes off. Inspect for any oil leaks around the drain plug, oil filter and oil fill cap.

Fig. 193: Engine Oil Level Indicator

10. Inspect the engine oil level. The oil level should be in the cross-hatched section of the oil level indicator as shown.
11. Close hood.
12. Reset the engine oil life system monitor.

OIL FILTER ASSEMBLY REPLACEMENT

Removal Procedure

1. Remove the turbocharger. Refer to Turbocharger Replacement.

Fig. 194: Locating Engine Oil Cooler Components

2. Remove the oil cooler coolant outlet hose clamp (1).
3. Remove the oil cooler coolant outlet hose (2) from engine coolant thermostat housing.
4. Remove the oil cooler coolant inlet hose clamp (3).
5. Remove the oil cooler coolant inlet hose (4) from water outlet.
6. Remove the oil cooler coolant outlet pipe bolt (7).
7. Remove the 3 oil cooler bolts (5).
8. Remove the engine oil cooler assembly (6) and the 2 oil cooler sealing (8) and (9).
9. For engine oil cooler disassembly. Refer to Engine Oil Cooler Disassemble.

Installation Procedure

1. For engine oil cooler assembly. Refer to Engine Oil Cooler Assemble.

Fig. 195: Locating Engine Oil Cooler Components

NOTE: Lubricate the oil cooler seal (8) with clean engine oil.

2. Install the engine oil cooler assembly (6) along with 2 NEW sealing (8) and (9).

CAUTION: Refer to Fastener Caution .

3. Install the 3 oil cooler bolts (5) and tighten to 10 (89 lb in).
4. Install the oil cooler coolant outlet pipe bolt (7) and tighten to 10 (89 lb in).
5. Install the oil cooler coolant outlet hose (2) to the engine coolant thermostat housing.
6. Install the oil cooler coolant outlet hose clamp (1).
7. Install the oil cooler coolant inlet hose (4) to the water outlet.
8. Install the oil cooler coolant inlet hose clamp (3).
9. Install the turbocharger. Refer to Turbocharger Replacement.

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