APPLICATION
| WARNING | Vehicle is equipped with Supplemental Inflatable Restraint (SIR) system. When servicing vehicle, use care to avoid accidental air bag deployment. SIR system-related components are located in various locations throughout interior and exterior of vehicle, depending on application. Do not use electrical test equipment on or near these circuits. If necessary, deactivate SIR system before servicing components. See AIR BAG DEACTIVATION PROCEDURES article in GENERAL INFORMATION. |
| Application (Body/Series Code) | Engine Size |
|---|
| 2001 |
| Chevrolet |
| Astro ("L" & "M") | 4.3L |
| Blazer - Jimmy Canadian("S" & "T") | 4.3L |
| Camaro ("F") | 3.8L & 5.7L |
| Chevy Express 1500/2500 ("G") | 4.3L, 5.0L & 5.7L |
| Corvette ("Y") | 5.7L |
| Silverado 1500 ("C" & "K") | 4.3, 4.8L & 5.3L |
| Suburban 1500 ("C" & "K") | 5.3L |
| S10 Pickup ("S" & "T") | 2.2L & 4.3L |
| Tahoe ("C" & "K") | 4.8L & 5.3L |
| GMC |
| Jimmy ("S" & "T") | 4.3L |
| Safari ("L" & "M") | 4.3L |
| Savana 1500/2500 ("G") | 4.3L, 5.0L & 5.7L |
| Sierra 1500 ("C" & "K") | 4.3, 4.8L & 5.3L |
| Sonoma ("S" & "T") | 2.2L & 4.3L |
| Yukon ("C" & "K") | 4.8L & 5.3L |
| Yukon XL ("C" & "K") | 5.3L |
| Oldsmobile Bravada ("T") | 4.3L |
| Pontiac Firebird ("F") | 3.8L & 5.7L |
| 2002 |
| Cadillac |
| Escalade ("C" & "K") | 5.0L & 6.0L |
| Escalade Ext ("K") | 6.0L |
| Chevrolet |
| Astro ("L" & "M") | 4.3L |
| Avalanche ("C" & "K") | 5.3L |
| Blazer - Jimmy Canadian ("S" & "T") | 4.3L |
| Camaro ("F") | 3.8L & 5.7L |
| Chevy Express 1500/2500 ("G") | 4.3L, 5.0L & 5.7L |
| Corvette ("Y") | 5.7L |
| Silverado 1500 ("C" & "K") | 4.3, 4.8L & 5.3L |
| Suburban 1500 ("C" & "K") | 5.3L |
| S10 Pickup ("S" & "T") | 2.2L & 4.3L |
| Tahoe ("C" & "K") | 4.8L & 5.3L |
| TrailBlazer ("S" & "T") | 4.2L |
| GMC |
| Envoy | 4.2L |
| Envoy XL | 4.2L |
| Safari ("L" & "M") | 4.3L |
| Savana 1500/2500 ("G") | 4.3L, 5.0L & 5.7L |
| Sierra 1500 ("C" & "K") | 4.3, 4.8L & 5.3L |
| Sonoma ("S" & "T") | 2.2L & 4.3L |
| Yukon ("C" & "K") | 4.8L & 5.3L |
| Yukon XL ("C" & "K") | 5.3L |
| Oldsmobile Bravada ("T") | 4.2L |
| Pontiac Firebird ("F") | 3.8L & 5.7L |
The Hydra-Matic 4L60-E automatic transmission can be identified by a letter code contained in identification number. Identification number is stamped on transmission case above oil pan rail on right rear side, or to rear of oil pan. (Scheme 526) Identification number contains information which must be used when ordering replacement parts. Transmission RPO code is M32 on Sierra models with 6.0L engine and M30 on all other models.
Scheme 526
CLUTCH & BAND APPLICATIONS
| Selector Lever Position | Shift Solenoid | Elements In Use |
|---|
| "OD" (Overdrive) First Gear | 1-2 ON/2-3 ON | Forward Clutch, Forward Sprag & Low Roller Clutch |
| "OD" (Overdrive) Second Gear | 1-2 OFF/2-3 ON | Forward Clutch, Forward Sprag & 2-4 Band |
| "OD" (Overdrive) Third Gear | 1-2 OFF/2-3 OFF | Forward Clutch, Forward Sprag & 3-4 Clutch |
| "OD" (Overdrive) Fourth Gear | 1-2 ON/2-3 OFF | Forward Clutch, 2-4 Band & 3-4 Clutch |
| "D" (Drive) First Gear | 1-2 ON/2-3 ON | Forward Clutch, Forward Sprag & Low Roller Clutch |
| "D" (Drive) Second Gear | 1-2 OFF/2-3 ON | Forward Clutch, Forward Sprag & 2-4 Band |
| "D" (Drive) Third Gear | 1-2 OFF/2-3 OFF | Forward Clutch, Forward Sprag, Overrun Clutch & 3-4 Clutch |
| "2" (Intermediate) First Gear | 1-2 ON/2-3 ON | Forward Clutch, Forward Sprag, Low Roller Clutch & Overrun Clutch |
| "2" (Intermediate) Second Gear | 1-2 OFF/2-3 ON | Forward Clutch, Forward Sprag, Overrun Clutch & 2-4 Band |
| "1" (Low) First Gear | 1-2 ON/2-3 ON | Forward Clutch, Forward Sprag, Low Reverse Clutch, Low Roller Clutch & Overrun Clutch |
| "1" (Low) Second Gear (1) | 1-2 OFF/2-3 ON | Forward Clutch, Forward Sprag, Overrun Clutch & 2-4 Band |
| "R" (Reverse) | 1-2 ON/2-3 ON | Low Reverse Clutch & Reverse Input Clutch |
| "P" (Park) | 1-2 ON/2-3 ON | Low Reverse Clutch |
| "N" (Neutral) | 1-2 ON/2-3 ON | All Clutches & Bands Released Or Ineffective |
| (1) Gear is only available above 30-35 MPH. |
| (1) | Gear is only available above 30-35 MPH. |
CLUTCH & BAND APPLICATIONS
