Installation Procedure Chevrolet Avalanche I

Installation Procedure

Important

1. Do not reuse any of the existing oil lines or oil line fittings if there is excessive corrosion.
2. Do not reuse any of the existing retaining rings that were removed from the existing quick connect fittings. Install new retaining rings.
3. Ensure the following procedures are performed when installing the new retaining rings onto the fittings.

Scheme 1067

Scheme 1068

Scheme 1069

Scheme 1070

Scheme 1071

Scheme 1072

Scheme 1073

Scheme 1074

Scheme 1075

Scheme 1076

1. Install a new retaining ring into the quick connect fitting using the following procedure
2. Hook one of the open ends of the retaining ring in one of the slots in the quick connect fitting.
3. Rotate the retaining ring around the fitting until the retaining ring is positioned with all three ears through the three slots on the fitting.
4. Do not install the new retaining ring onto the fitting by pushing the retaining ring.
5. Ensure that the three retaining ring ears are seen from inside the fitting and that the retaining ring moves freely in the fitting slots.
6. Install the cooler line into the quick connect fitting.
7. Insert the cooler line end into the quick connect fitting until a click is either heard or felt.
8. Do not use the plastic cap on the cooler line in order to install the cooler line into the fitting.
9. Pull back sharply on the cooler line in order to ensure that the cooler line is fastened into the quick connect fitting. Important: Do not manually depress the retaining clip when installing the plastic cap.
10. Position (snap) the plastic cap onto the fitting. Do not manually depress the retaining ring when installing the plastic cap onto the quick connect fitting.
11. Ensure that the plastic cap is fully seated against the fitting.
12. Ensure that no gap is present between the cap and the fitting.
13. Ensure that the yellow identification band on the tube is hidden within the quick connect fitting.
14. A hidden yellow identification band indicates proper joint seating.
15. Fill the transmission to the proper level with DEXRON® III transmission fluid. Refer to TRANSMISSION FLUID CHECKING PROCEDURE .

Scheme 1077

1. Remove the transmission filter. Refer to «AUTOMATIC TRANSMISSION FLUID/FILTER REPLACEMENT»(/chevrolet/avalanche/i-2001-2006/remont/automatic-trans/#automatic-transmission-4l80-e4l85-e-service-replacement) .
2. Remove the forward servo cover bolts, cover, and gasket.
3. Remove the following parts: 3.1. Forward servo piston pin (5) 3.2. O-ring seal (4) 3.3. Servo piston (3) 3.4. Retainer (2) 3.5. Piston spring (1)

Scheme 1078

1. Install the following parts: Piston spring (1) Retainer (2) Servo piston (3) O-ring seal (4) Forward servo piston pin (5) NOTE: Refer to «FASTENER NOTICE»(/chevrolet/avalanche/i-2001-2006/remont/oem-general-information/#gm-vehicles-cautions-notices__fastener-notice) in Cautions and Notices.
2. Install the forward servo gasket, cover, and bolts. Tighten Tighten the bolts to 24 N.m (18 lb ft).
3. Install the transmission filter. Refer to «AUTOMATIC TRANSMISSION FLUID/FILTER REPLACEMENT»(/chevrolet/avalanche/i-2001-2006/remont/automatic-trans/#automatic-transmission-4l80-e4l85-e-service-replacement) .

Scheme 1079

Scheme 1080

Scheme 1081

1. Remove the grille assembly. Refer to GRILLE REPLACEMENT (CADILLAC) or GRILLE REPLACEMENT (AVALANCHE) in Exterior Trim.
2. Remove the transmission fluid cooler hose from the Auxiliary oil cooler. Refer to «TRANSMISSION OIL COOLER LINE QUICK CONNECT FITTING»(/chevrolet/avalanche/i-2001-2006/remont/automatic-trans/#automatic-transmission-4l80-e4l85-e-service-replacement)
3. Remove the transmission fluid cooler hose from the radiator. Refer to «TRANSMISSION OIL COOLER LINE QUICK CONNECT FITTING»(/chevrolet/avalanche/i-2001-2006/remont/automatic-trans/#automatic-transmission-4l80-e4l85-e-service-replacement)
4. Raise the vehicle. Refer to «LIFTING AND JACKING THE VEHICLE»(/chevrolet/avalanche/i-2001-2006/remont/hoistjack/#jacking-and-lifting-avalanche__lifting-and-jacking-the-vehicle) in General Information.
5. Remove the engine protection shield. Refer to Engine Protection Shield Replacement in Frame and Underbody.
6. Remove the transmission fluid cooler hoses from the transmission. Refer to «TRANSMISSION OIL COOLER LINE QUICK CONNECT FITTING»(/chevrolet/avalanche/i-2001-2006/remont/automatic-trans/#automatic-transmission-4l80-e4l85-e-service-replacement)
7. Remove the transmission fluid cooler hoses from the retainer on the engine.
8. Remove the transmission fluid cooler hoses from the vehicle.

Scheme 1082

Scheme 1083

Scheme 1084

1. Install the transmission fluid cooler hoses to the vehicle.
2. Install the transmission fluid cooler hoses to the transmission. Refer to «TRANSMISSION OIL COOLER LINE QUICK CONNECT FITTING»(/chevrolet/avalanche/i-2001-2006/remont/automatic-trans/#automatic-transmission-4l80-e4l85-e-service-replacement)
3. Install the transmission fluid cooler hoses to the retainer on the engine.
4. Install the engine protection shield.
5. Lower the vehicle.
6. Install the transmission fluid cooler hose to the radiator. Refer to «TRANSMISSION OIL COOLER LINE QUICK CONNECT FITTING»(/chevrolet/avalanche/i-2001-2006/remont/automatic-trans/#automatic-transmission-4l80-e4l85-e-service-replacement)
7. Install the transmission fluid cooler hose from the Auxiliary oil cooler. Refer to «TRANSMISSION OIL COOLER LINE QUICK CONNECT FITTING»(/chevrolet/avalanche/i-2001-2006/remont/automatic-trans/#automatic-transmission-4l80-e4l85-e-service-replacement)
8. Install the grille assembly. Refer to GRILLE REPLACEMENT (CADILLAC) or GRILLE REPLACEMENT (AVALANCHE) in Exterior Trim.

Scheme 1085

1. Remove the grille assembly. Refer to GRILLE REPLACEMENT (CADILLAC) or GRILLE REPLACEMENT (AVALANCHE) in Exterior Trim.
2. Remove the transmission fluid cooler hoses from the auxiliary cooler. Refer to «TRANSMISSION OIL COOLER LINE QUICK CONNECT FITTING»(/chevrolet/avalanche/i-2001-2006/remont/automatic-trans/#automatic-transmission-4l80-e4l85-e-service-replacement) .
3. Remove the auxiliary oil cooler bolts (1).
4. Remove the auxiliary oil cooler push pins (2)
5. Remove the auxiliary oil cooler from the vehicle.

Scheme 1086

1. Install the auxiliary oil cooler to the vehicle. NOTE: Refer to «FASTENER NOTICE»(/chevrolet/avalanche/i-2001-2006/remont/oem-general-information/#gm-vehicles-cautions-notices__fastener-notice) in Cautions and Notices.
2. Install the bolts (1) to the radiator brace. Tighten Tighten the bolts to 12 N.m (106 lb in).
3. Install the push pins (2) to the radiator brace.
4. Connect the transmission oil cooler lines to the auxiliary cooler. Refer to «TRANSMISSION OIL COOLER LINE QUICK CONNECT FITTING»(/chevrolet/avalanche/i-2001-2006/remont/automatic-trans/#automatic-transmission-4l80-e4l85-e-service-replacement) .
5. Install the grille assembly. Refer to GRILLE REPLACEMENT (CADILLAC) or GRILLE REPLACEMENT (AVALANCHE) in Exterior Trim.

Scheme 1087

1. Remove the vent hose clip.
2. Remove the vent hose from the transmission vent.

Scheme 1088

1. Install the vent hose to the transmission.
2. Install the vent hose to the clip. NOTE: Refer to «FASTENER NOTICE»(/chevrolet/avalanche/i-2001-2006/remont/oem-general-information/#gm-vehicles-cautions-notices__fastener-notice) in Cautions and Notices.
3. Install the bolt and the clamp. Tighten Tighten the bolt to 10 N.m (89 lb in).