GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Pontiac
🢒
1997
🢒
Sun Runner - 4WD (Canada)
🢒
Transmission/Transaxle
🢒 Automatic Transmission - 3L30
Transmission/Transaxle
All Component Locator
Transmission Component Location
All Special Tools and Equipment
Special Tools
All Visual Identification
Transmission Identification Information
Diagnostic Procedures
Abrupt 1-2 Upshift
Abrupt 2-3 Upshift
Abrupt 3-2 Coast Downshift
After WOT Upshift Transmission Downshifts
Buzz
Difficult to Shift Out of Park
Does Not Move After Shifting From P to D, D2 or D1
Does Not Move in Any Drive Range
Does Not Move in D or D2 But in D1 or R
Does Not Move in D, D2 or D1 But in R
Does Not Move in R But in All Other Ranges
Driving Only in First Gear of D and D2
Excessive Aluminum Dust in Oil Pan
Excessive Exhaust Smoke
Excessive Iron Dust Picked Up by Oil Pan Magnet
External Torque Converter Leak
Fluid Out of Fill Tube or Breather
Forward Motion in Neutral
Heavy Jerking When Starting
High Line Pressure
High Speed Forced Downshift Flare
Low Fluid Level
Low Line Pressure
Low Speed Forced Downshift Flare
No 1-2 Upshift in D or D2
No 2-3 Upshift in D
No Engine Braking - D1
No Engine Braking - D2
No Forced Downshift
No Park
No Part Throttle 3-2 Downshift at Low Speeds
No Torque Converter Clutch Apply
Noise in All Ranges
Road Test
Screeching When Starting
Short, Vibrating Hiss Shortly Before 1-2 Upshift
Slipping 1-2 Upshift
Slipping 2-3 Upshift
Starts in Drive Range Only After Moving Selector
Sudden Movement Only After Engine RPM Increases
Transmission Shifts to Lower Gear at Higher Speeds
Upshift in D and D2 at Part Throttle Only
Upshift in D and D2 at WOT Only
Diagnostic Trouble Codes
DTC P0740 TCC Circuit
DTC P1715 Park/Neutral Position Switch Circuit
Disassembly, Overhaul, Repair, and Assembly
Control Valve Body Assembly Installation
Control Valve Body Assembly Removal
Extension Housing Installation
Extension Housing Removal
Governor Body Installation
Governor Body Removal
Speedometer Drive Gear Installation
Speedometer Drive Gear Removal
Speedometer Driven Gear Installation
Speedometer Driven Gear Removal
Transmission Fluid Pan Installation
Transmission Fluid Pan Removal
Vacuum Modulator Valve Assembly Installation
Vacuum Modulator Valve Assembly Removal
Electrical/Electronic Schematic Diagrams
Automatic Transmission Controls Schematics
General Diagnostic Information
Clutch Plate Diagnosis
Engine Coolant/Water in Transmission
Flex Plate/Torque Converter Vibration Test
Garage Shift Test
Torque Converter Clutch Shudder
Torque Converter Evaluation and Diagnosis
Transmission Fluid Check
General Information
Abbreviations and Meanings
General Description
General Service Information
Mechanical Specifications
Fastener Tightening Specifications
Range Reference
Other Specifications
Diagnostic Trouble Code Identification
Fluid Capacity Specifications
Line Pressure
Transmission General Specifications