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Automatic Transmission Removal & Installation GMC Savana I

Automatic Trans ~1411 words

MODEL IDENTIFICATION

Series (1)Model
"C"2WD Pickup, Sierra, Silverado, Suburban, Tahoe & Yukon
"E"2WD Tracker
"G"Express, G-Van & Savana
"J"4WD Tracker
"K"4WD Pickup, Sierra, Silverado, Suburban, Tahoe, Yukon & AWD Escalade
"L"AWD Astro & Safari
"M"2WD Astro & Safari
"P"Commercial Van (P42) & Motorhome (P32)
"S"2WD Blazer, Envoy, Jimmy, Pickup & Sonoma
"T"4WD Blazer, Bravada, Envoy, Jimmy, Pickup & Sonoma
"U"Montana, Silhouette, Trans Sport & Venture
(1) Vehicle series is fifth character of VIN.
(1)Vehicle series is fifth character of VIN.

MODEL IDENTIFICATION - TRUCKS

WARNINGWhen battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article GENERAL INFORMATION before disconnecting battery.

MANUAL

Note. For manual transmission/transaxle replacement procedures, see appropriate article in CLUTCHES.

TRANSAXLE

WARNINGTo avoid possible personal injury and fire danger, relieve fuel pressure prior to removing transaxle.

Removal ("U" Series)

  1. Disconnect negative battery cable. Loosen and then tighten fuel filler cap to relieve tank pressure. Remove air cleaner. Remove right engine mount strut, when equipped. Install engine support fixture. Disconnect electrical connectors at transaxle.
  2. Disconnect electrical wiring harness retainer to transaxle shift cable bracket. Remove shift cable bracket and heat shield. Remove wire cable/bracket-to-body assembly. Remove PNP switch.
  3. Remove 3 upper transaxle retaining bolts. Remove grounds at engine/transaxle stud. Remove stud. Raise and support vehicle. Remove front wheels. Remove engine splash shields. Remove torque converter cover. Remove starter. Remove flywheel-to-torque converter bolts. Drain transaxle fluid. Disconnect transaxle cooler lines.
  4. Remove drive axles. See appropriate FWD AXLE SHAFTS article in DRIVE AXLES. Disconnect electrical connector to speed sensor at transaxle. Remove transaxle-to-engine brace. Remove tie rod end cotter pins and nuts. Disconnect tie rod ends from steering knuckle. Remove stabilizer shaft. Remove power steering gear heat shield. Remove power steering gear-to-frame retaining nuts. Remove power steering gear from frame and secure to vehicle with wire.
  5. Remove power steering cooler pipe from frame and secure to vehicle with wire. Disconnect front wheel speed sensor connectors. Remove front wheel speed sensor wiring from lower control arms. Remove lower ball joint retaining bolts and nuts. Disconnect lower ball joints from steering knuckles. Remove engine mount-to-frame mounting nuts and washers.
  6. Remove front and rear transaxle mount nuts and washers. Suitably support frame. Remove front and rear frame bolts. Remove frame. Suitably support transaxle assembly. Remove remaining transaxle-to-engine bolts. Separate transaxle from engine. Lower transaxle assembly from vehicle.

To install, reverse removal procedure. Tighten nuts and bolts to specification. See TORQUE SPECIFICATIONS . Adjust shift cable. See ADJUSTMENTS in appropriate AUTOMATIC TRANSMISSION article. Fill transmission with fluid.

WARNINGObserve extreme caution when working on vehicles equipped with Compressed Natural Gas (CNG).

Removal & Installation ("C" & "K" Series)

  1. Disconnect negative battery cable. Raise and support vehicle. Drain transmission fluid. Remove transmission filler tube and plug opening. Disconnect shift linkage. Mark rear drive shaft for installation reference and remove from vehicle. Mark front drive shaft and remove from transfer case, if equipped.
  2. As needed, remove exhaust crossover pipe for clearance. Disconnect transmission cooler lines. Remove starter. Support transmission with transmission jack. Remove torque converter cover. Mark flexplate and torque converter for alignment during installation. Remove flexplate-to-torque converter bolts. Remove transmission rear mount. NOTE: DO NOT stretch or damage any cables, wires or other component when lowering transmission.
  3. Remove 2 heat shield-to-transmission bolts. Remove vent hose, fuel lines and electrical connectors from transmission. Remove transfer case shifter and move it aside, if equipped. Remove transmission support braces. Note location of braces for installation.
  4. Remove transmission-to-engine bolts. Note location of any brackets or clips and move them aside. Slide transmission straight back, off locating pins, and install Converter Holding Strap (J-21366). Remove transmission from vehicle.
  5. To install, reverse removal procedure. Torque converter must be against flexplate and rotate freely by hand. Ensure all reference marks align. Tighten all bolts to specification. See «TORQUE SPECIFICATIONS»(/gmc/savana/i-1996-2002/remont/automatic-trans/#automatic-transmission-removal-installation__torque-specifications) . Fill transmission with fluid.

Removal & Installation ("G" Series)

  1. Disconnect negative battery cable. Raise and support vehicle. Drain transmission fluid. Remove transmission filler tube and plug opening. Disconnect shift linkage. Mark drive shaft for installation reference and remove from vehicle.
  2. Disconnect transmission cooler lines. Support transmission with transmission jack. Remove torque converter cover. Mark flexplate and torque converter for alignment during installation. Remove flexplate-to-torque converter bolts. Remove transmission rear mount. Remove vent hose, fuel lines and electrical connectors from transmission.
  3. Remove transmission-to-engine bolts. Note location of any brackets or clips and move them aside. Slide transmission straight back, off locating pins, and install Converter Holding Strap (J-21366). Remove transmission from vehicle.
  4. To install, reverse removal procedure. Torque converter must be against flexplate and rotate freely by hand. Ensure all reference marks align. Tighten all bolts to specification. See «TORQUE SPECIFICATIONS»(/gmc/savana/i-1996-2002/remont/automatic-trans/#automatic-transmission-removal-installation__torque-specifications) . Fill transmission with fluid.

Removal & Installation ("L", "M", "S" & "T" Series)

  1. Disconnect negative battery cable. Raise and support vehicle. Drain transmission fluid. Remove transmission filler tube and plug opening. Disconnect shift linkage. Mark rear drive shaft for installation reference and remove from vehicle. Mark front drive shaft and remove from transfer case, if equipped.
  2. On "L" and "T" models, remove transfer case-to-transmission bolts. Disconnect any electrical connectors from transfer case. Remove transfer case from transmission. On "L" and "M" models, remove catalytic converter. On "S" and "T" models, remove exhaust crossover pipe.
  3. On all models, disconnect transmission cooler lines. Remove starter. Support transmission with transmission jack. Remove torque converter cover. Mark flexplate and torque converter for alignment during installation. Remove flexplate-to-torque converter bolts. Remove transmission rear mount. NOTE: DO NOT stretch or damage any cables, wires or other component when lowering transmission.
  4. Remove 2 heat shield-to-transmission bolts. Remove vent hose, fuel lines and electrical connectors from transmission. Remove transfer case shifter and move it aside, if equipped. Remove transmission support braces. Note location of braces for installation.
  5. Remove transmission-to-engine bolts. Note location of any brackets or clips and move them aside. Slide transmission straight back, off locating pins, and install Converter Holding Strap (J-21366). Remove transmission from vehicle.
  6. To install, reverse removal procedure. Torque converter must be against flexplate and rotate freely by hand. Ensure all reference marks align. Tighten all bolts to specification. See «TORQUE SPECIFICATIONS»(/gmc/savana/i-1996-2002/remont/automatic-trans/#automatic-transmission-removal-installation__torque-specifications) . Fill transmission with fluid.

Removal & Installation ("P" Series)

  1. Disconnect negative battery cable. Raise and support vehicle. Drain transmission fluid. Disconnect shift linkage. Disconnect electrical connectors at transmission. Mark drive shaft for installation reference and remove from vehicle.
  2. Support transmission with transmission jack. Remove transmission rear mount-to-crossmember nut and washer. Remove crossmember. Remove transmission filler tube and plug opening. Remove vent hose from transmission. Disconnect transmission cooler lines.
  3. Remove exhaust crossover pipe. Remove torque converter cover. Mark flexplate and torque converter for alignment during installation. Remove flexplate-to-torque converter bolts.
  4. Remove transmission-to-engine bolts. Note location of any brackets or clips and move them aside. Slide transmission straight back, off locating pins, and install Converter Holding Strap (J-21366). Remove transmission from vehicle.
  5. To install, reverse removal procedure. Torque converter must be against flexplate and rotate freely by hand. Ensure all reference marks align. Tighten all bolts to specification. See «TORQUE SPECIFICATIONS»(/gmc/savana/i-1996-2002/remont/automatic-trans/#automatic-transmission-removal-installation__torque-specifications) . Fill transmission with fluid.

Removal & Installation (Tracker)

  1. Disconnect negative battery cable. On 4-wheel drive models, remove transfer case shift lever knob. Remove screw retaining transmission shift lever knob to shift lever. Remove shift lever knob. Remove console box. Remove clamp and small boot located on top of transfer case at shift lever opening.
  2. Push downward on case cover (center area around shift lever) and rotate counterclockwise. Remove transfer case shift lever. Remove retaining screws, shift lever boot and bracket.
  3. Remove fluid level indicator from fluid filler tube. Remove throttle body cover. Remove T.V. cable from throttle body linkage. Remove upper starter bolt and nut.
  4. Raise and support vehicle. Drain transmission fluid. Drain transfer case, if equipped. Place reference marks on drive shaft flange(s) and yokes for installation reference. Remove drive shaft(s). Remove shift cable retainer and shift cable from cable bracket. Remove shift cable from manual lever. Remove shift cable bracket bolts. Remove shift cable bracket from transmission.
  5. Remove fluid filler tube and plug opening. Remove exhaust hanger. Remove oxygen sensor. Remove catalytic converter. Disconnect electrical connections from starter. Remove lower starter bolt. Remove starter. Remove bolts from left transmission-to-engine brace. Remove left transmission-to-engine brace.
  6. Remove flexplate cover. Place reference marks on torque converter and flexplate for installation reference. Remove torque converter-to-flexplate bolts. Disconnect and plug oil cooler lines from transmission.
  7. On 4-wheel drive models, remove transfer case skid plate. Remove speedometer cable bolt, bracket and cable from transfer case. Remove ground wire bolt and ground wire from transfer case mount.
  8. On 2-wheel drive models, disconnect speedometer cable. On all models, remove crossmember bolts and crossmember. Disconnect any electrical connectors. Disconnect vent tubes. Disconnect wire harness retainer and place wire harness aside.
  9. On 4-wheel drive models, suitably support transfer case. Remove transfer case bolts. Remove transfer case. On all models, support transmission with transmission jack. Remove remaining transmission-to-engine mounting bolts. Slowly move transmission away from engine. Remove transmission from vehicle.
  10. To install, reverse removal procedure. Tighten nuts and bolts to specification. See «TORQUE SPECIFICATIONS»(/gmc/savana/i-1996-2002/remont/automatic-trans/#automatic-transmission-removal-installation__torque-specifications) . Ensure reference marks are aligned on drive shaft flanges, yokes, torque converter and flexplate. Adjust shift and throttle valve cables. See ADJUSTMENTS in AUTOMATIC TRANSMISSION article.

TORQUE SPECIFICATIONS

ApplicationFt. Lbs. (N.m)
"C", "G" & "K" Series
Center Support Bearing Bolts26 (35)
Front Drive Shaft Bolts15 (20)
Rear Drive Shaft-To-Pinion Flange Bolts (1 & 2-Piece Drive Shafts)15 (20)
Rear Drive Shaft-To-Pinion Flange Bolts (3-Piece Drive Shaft)27 (37)
Heat Shield-To-Transmission Bolts13 (17)
Rear Transmission Mount-To-Transmission Bolts & Nut18 (25)
Starter Bolts33 (45)
Torque Converter Bolts44 (60)
Transmission-To-Engine Studs & Bolt37 (50)
"L" & "M" Series
Front Drive Shaft Bolts33 (45)
Rear Drive Shaft-To-Pinion Flange Bolts27 (36)
Starter Bolts32 (43)
Torque Converter Bolts44 (60)
Transfer Case Support Brace-To-Transfer Case Bolts66 (90)
Transfer Case Support Brace-To-Transmission Bolt94 (128)
Transfer Case-To-Transmission Adapter Bolts35 (47)
Transmission-To-Engine Bolt35 (47)
"P" Series
Crossmember-To-Frame Bolts56 (77)
Rear Transmission Mount-To-Crossmember Nut33 (44)
Rear Transmission Mount-To-Transmission Bolts33 (44)
Torque Converter Bolts41 (55)
Torque Converter Cover Bolts24 (33)
Transmission-To-Engine Studs & Bolts37 (50)
"S" & "T" Series
Crossmember-To-Frame Bolt34 (46)
Crossmember-To-Mount Bolt33 (45)
Front Drive Shaft Clamp Bolts15 (20)
Rear Drive Shaft-To-Pinion Flange Bolt
2.2L15 (20)
4.3L33 (45)
Rear Transmission Mount-To-Crossmember Bolt38 (52)
Starter Bolts
2.2L32 (43)
4.3L37 (50)
Torque Converter Bolts44 (60)
Transfer Case-To-Transmission Adapter Nuts35 (47)
Transmission-To-Engine Bolt35 (47)
Tracker
Crossmember-To-Frame Bolt44 (60)
Drive Shaft Bolt37 (50)
Starter Bolts22 (30)
Torque Converter Bolts37 (50)
Transfer Case-To-Transmission Bolts23 (31)
Transmission-To-Engine Bolts62 (85)
"U" Series
Front Frame Bolts111 (150)
Rear Frame Bolts122 (165)
Starter Bolts35 (47)
Torque Converter Bolts47 (63)
Transaxle-To-Engine Bolts & Studs55 (75)

TORQUE SPECIFICATIONS

See also:
• TORQUE SPECIFICATIONS

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