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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Manual Transmission - Y4A/Y4M (MR7)) >> Repair Instructions - On Vehicle >> Transmission Replacement (With 1.4L Engine) >> Installation Procedure

Installation Procedure

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  1. Clean the clutch hub and the input shaft from any debris and contaminates with a lint-free towel.
    WARNING: Use care when cleaning the clutch hub. The clutch hub may have sharp edges and can cause personal injury if contact is made. Wear protective gloves to avoid personal injury.
  2. Use a clean flat brush (1) to apply very light coating of multi-purpose grease to input shaft until the metal is only shiny. No visible clumps of grease are permissible regardless of size. Smear away from the transmission in direction of the shown arrow.
    Fig 1: Using Flat Brush To Apply Light Coating Of Multi-Purpose Grease
    GM2665890Courtesy of GENERAL MOTORS COMPANY
    CAUTION: Applying too much or the wrong type of grease on the transmission input shaft may cause damage, clutch slippage or failure. Always apply the correct type of grease. Never apply more grease than is necessary to coat the transmission input shaft with a very thin film of grease.
  3. Clean the entire lead surface of the input shaft with a NEW, lint-free towel (1).
    Fig 2: Cleaning Lead Surface Of Input Shaft With Lint-Free Towel
    GM2665891Courtesy of GENERAL MOTORS COMPANY
    CAUTION: Ensure that no grease remains on the lead surface of the transmission input shaft. Clean the lead surface of the transmission input shaft prior to the assembly of the transmission to the engine. Failure to maintain a clean surface may cause clutch slippage or failure.
  4. Raise the transmission with the transmission jack and position the transmission to the engine.
  5. Install the clutch housing cover (4), oxygen sensor connector bracket (3) and the engine starter cable bracket (2).
    Fig 3: Transmission Lower Bolts, Engine Starter Cable Bracket, Oxygen Sensor Connector Bracket And Clutch Housing Cover
    GM4190891Courtesy of GENERAL MOTORS COMPANY
  6. Install the transmission lower bolts (1) and tighten to 58 N.m (43 lb ft).
    CAUTION: Refer to Fastener Caution .
  7. Remove the transmission jack.
  8. Install the transmission mount bracket - left side. Refer to Transmission Mount Bracket Replacement - Left Side .
  9. Install the transmission mount - left side. Refer to Transmission Mount Replacement - Left Side .
  10. Install the transmission rear mount bracket. Refer to Transmission Rear Mount Bracket Replacement .
  11. Install the drivetrain and front suspension cradle. Refer to Drivetrain and Front Suspension Cradle Replacement .
  12. Remove the engine support fixture. Refer to Engine Support Fixture (LV7)Engine Support Fixture (L5Q) .
  13. Install the transmission upper bolts (1) and tighten to 58 N.m (43 lb ft).
    Fig 4: Transmission Upper Bolts
    GM4190768Courtesy of GENERAL MOTORS COMPANY
  14. Install the front wheel drive shaft to the transmission. Refer to Front Wheel Drive Shaft Replacement .
    Fig 5: Front Wheel Drive Shaft
    GM4039284Courtesy of GENERAL MOTORS COMPANY
  15. Install the exhaust muffler. Refer to Exhaust Muffler Replacement (L5Q)Exhaust Muffler Replacement (LV7) .
  16. Connect the backup light switch electrical connector (1).
    Fig 6: Electrical Connectors, Connector Clip And Wiring Harness Retainers
    GM4190765Courtesy of GENERAL MOTORS COMPANY
  17. Connect the electrical connector (2) to the vehicle speed sensor, if equipped.
  18. Clip in the connector clip (3) and the wiring harness retainers (4) to the engine start cable bracket.
  19. Connect the clutch actuator cylinder front pipe (2) to the clutch actuator cylinder pipe elbow.
    Fig 7: Clutch Actuator Cylinder Front Pipe And Retaining Clip
    GM4010383Courtesy of GENERAL MOTORS COMPANY
  20. Install the clutch actuator cylinder front pipe retaining clip (1).
  21. Connect the oxygen sensor electrical connector (1)
    Fig 8: Oxygen Sensor Electrical Connector, Connector Clip And Wiring Harness Retainer
    GM4190763Courtesy of GENERAL MOTORS COMPANY
  22. Clip in the connector clip (2) and the wiring harness retainer (3) to the oxygen sensor electrical connector bracket and the engine wiring harness bracket.
  23. Install the shift lever and selector lever cable (2) to the selector and shift lever cable bracket (4).
    Fig 9: Shift Lever And Selector Lever Cable, Shift Control Housing And Cable Bracket
    GM4039264Courtesy of GENERAL MOTORS COMPANY
  24. Install the shift lever and selector lever cable (1) to the shift control housing (3).
  25. Fill the transmission fluid. Refer to Transmission Fluid Drain and Fill .
  26. Bleed the hydraulic clutch system. Refer to Hydraulic Clutch System Bleeding .
  27. Install the radiator surge tank. Refer to Radiator Surge Tank Replacement .
  28. Install the battery tray. Refer to Battery Tray Replacement (without Engine Block Heater)Battery Tray Replacement (with Engine Block Heater) .
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