Buick Encore Owners & Service Manuals

Buick Encore: Repair instructions

Transmission fluid auxiliary cooler replacement

Fig. 17: Transmission Fluid Auxiliary Cooler
Fig. 17: Transmission Fluid Auxiliary Cooler

Transmission Fluid Auxiliary Cooler Replacement

Transmission Fluid Auxiliary Cooler Replacement

Transmission Fluid Auxiliary Cooler Replacement

TRANSMISSION FLUID COOLER PIPE CONNECTOR REPLACEMENT - RADIATOR

Removal Procedure

  1. Drain the cooling system. Refer to Cooling System Draining and Filling
  2. Remove the transmission oil cooler pipes from the oil cooler fittings on the radiator. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection

Fig. 18: View Of Oil Cooler Fitting At Radiator
Fig. 18: View Of Oil Cooler Fitting At Radiator

NOTE: Do not remove the upper and lower transmission oil cooler fittings from the radiator at the same time other wise the transmission oil cooler will fall inside the radiator end tank.

  1. Remove the oil cooler fitting from the radiator.

Installation Procedure

  1. Inspect the new O-ring seals for cracks, cuts or damage. Replace if necessary.

Fig. 19: View Of Oil Cooler Fitting At Radiator
Fig. 19: View Of Oil Cooler Fitting At Radiator

CAUTION: Refer to Fastener Caution

NOTE: The correct thread engagement is critical. Cross-threaded fittings can achieve proper tightness and still leak.

  1. Install the oil cooler fitting to the radiator and tighten to 20 (15 lb ft).
  2. Install the transmission oil cooler pipes to the oil cooler fittings on the radiator. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection
  3. Fill the cooling system. Refer to Cooling System Draining and Filling .
  4. Adjust the transmission fluid level. Refer to Transmission Fluid Drain and Fill .
  5. Inspect for fluid leaks.

Transmission fluid cooler hose/pipe quick-connect fitting disconnection and connection

Removal Procedure

Fig. 20: Automatic Transmission Oil Cooler Fitting Retaining Ring
Fig. 20: Automatic Transmission Oil Cooler Fitting Retaining Ring

NOTE: Perform the following procedure when removing the retaining rings and cooler lines from the quick connect fittings located on the radiator and/or the transmission.

  1. Pull the plastic cap back from the quick connect fitting and down along the cooler line about 5 cm (2 in).
  2. Using a bent-tip screwdriver, pull on one of the open ends of the retaining ring (1) in order to rotate the retaining ring around the quick connect fitting until the retaining ring is out of position and can be completely removed.
  3. Remove the retaining ring from the quick connect fitting.
  4. Discard the retaining ring.

Fig. 21: Automatic Transmission Cooler Line
Fig. 21: Automatic Transmission Cooler Line

  1. Pull the cooler line (1) straight out from the quick connect fitting (2).

Installation Procedure

NOTE:

  • Do not reuse any of the existing oil lines or oil line fittings if there is excessive corrosion.
  • Do not reuse any of the existing retaining rings that were removed from the existing quick connect fittings. Install new retaining rings.
  • Ensure the following procedures are performed when installing the new retaining rings onto the fittings.
  1. Install a new retaining ring into the quick connect fitting using the following procedure:

Fig. 22: Automatic Transmission Oil Cooler Fitting Retaining Ring
Fig. 22: Automatic Transmission Oil Cooler Fitting Retaining Ring

  1. Hook one of the open ends of the retaining ring (1) in one of the slots in the quick connect fitting.

Fig. 23: Rotating Automatic Transmission Oil Cooler Fitting Retaining Ring
Fig. 23: Rotating Automatic Transmission Oil Cooler Fitting Retaining Ring

  1. Rotate the retaining ring (1) around the fitting until the retaining ring is positioned with all three ears through the three slots on the fitting.

Fig. 24: Automatic Transmission Oil Cooler Fitting Retaining Ring Caution
Fig. 24: Automatic Transmission Oil Cooler Fitting Retaining Ring Caution

  1. Do not install the new retaining ring (1) onto the fitting by pushing the retaining ring.

Fig. 25: Retaining Ring Ears
Fig. 25: Retaining Ring Ears

  1. Ensure that the three retaining ring ears are seen from inside the fitting (1) and that the retaining ring moves freely in the fitting slots.

Fig. 26: Cutaway View Of Automatic Transmission Oil Cooler Fitting
Fig. 26: Cutaway View Of Automatic Transmission Oil Cooler Fitting

  1. Install the cooler line (1) into the quick connect fitting (2).
  2. Insert the cooler line end into the quick connect fitting until a click is either heard or felt.

Fig. 27: Automatic Transmission Oil Cooler Line And Fitting Caution
Fig. 27: Automatic Transmission Oil Cooler Line And Fitting Caution

  1. Do not use the plastic cap (1) on the cooler line in order to install the cooler line into the fitting.
  2. Pull back sharply on the cooler line in order to ensure that the cooler line is fastened into the quick connect fitting.

Fig. 28: Automatic Transmission Oil Cooler Fitting Plastic Cap
Fig. 28: Automatic Transmission Oil Cooler Fitting Plastic Cap

NOTE: Do not manually depress the retaining clip when installing the plastic cap.

  1. Position (snap) the plastic cap (1) onto the fitting. Do not manually depress the retaining ring when installing the plastic cap onto the quick connect fitting.
  2. Ensure that the plastic cap is fully seated against the fitting.

Fig. 29: Automatic Transmission Oil Cooler Fitting Plastic Cap Caution
Fig. 29: Automatic Transmission Oil Cooler Fitting Plastic Cap Caution

  1. Ensure that no gap is present between the plastic cap (1) and the fitting (2).

Fig. 30: Yellow Identification Band
Fig. 30: Yellow Identification Band

  1. Ensure that the yellow identification band (1) on the tube is hidden within the quick connect fitting.

Fig. 31: Yellow Identification Band Caution
Fig. 31: Yellow Identification Band Caution

  1. A hidden yellow identification band (1) indicates proper joint seating.
  2. Fill the transmission to the proper level. Refer to Transmission Fluid Level and Condition Check .

Transmission fluid cooler hose/pipe replacement

Fig. 32: Transmission Fluid Cooler Hose/Pipe
Fig. 32: Transmission Fluid Cooler Hose/Pipe

Transmission Fluid Cooler Hose/Pipe Replacement

Transmission fluid cooler hose/pipe replacement

TRANSMISSION FLUID COOLER INLET PIPE REPLACEMENT

Fig. 33: Transmission Fluid Cooler Inlet Pipe
Fig. 33: Transmission Fluid Cooler Inlet Pipe

Transmission Fluid Cooler Inlet Pipe Replacement

Transmission Fluid Cooler Inlet Pipe Replacement

Transmission Fluid Cooler Inlet Pipe Replacement

TRANSMISSION FLUID COOLER OUTLET PIPE REPLACEMENT

Fig. 34: Transmission Fluid Cooler Outlet Pipe
Fig. 34: Transmission Fluid Cooler Outlet Pipe

Transmission Fluid Cooler Outlet Pipe Replacement

Transmission Fluid Cooler Outlet Pipe Replacement

Transmission Fluid Cooler Outlet Pipe Replacement

SPECIAL TOOLS AND EQUIPMENT

SPECIAL TOOLS

SPECIAL TOOLS AND EQUIPMENT

SPECIAL TOOLS AND EQUIPMENT

SPECIAL TOOLS AND EQUIPMENT

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