silverado 0 Introduction

2003 ENGINE PERFORMANCE

General Motors Introduction - Trucks

MODEL COVERAGE

2003 MODEL COVERAGE MODEL BODY

CODE (1)ENGINE (RPO CODE) (2)

ENGINE ID

FUEL SYSTEM

IGNITION SYSTEM

Astro & Safari L, M 4.3L (L35) X SFI DISAvalanche C, K 5.3L (LM7) T SFI DIS..... ..... 8.1L (L18) G SFI DISAztek B 3.4L (LA1) E SFI DISBlazer S, T 4.3L (LU3) X CSFI DISBravada S, T 4.2L (LL8) S SFI DISCab & Chassis C 6.0L (LQQ4) U SFI DIS..... .... 6.6L (LB7) 1 Turbo Diesel N/A..... ..... 8.1L (L18) G SFI DISChevy Express & Savana

G 4.3L (LU3) X CSFI Magnetic (3)

..... ..... 4.8L (LR4) V SFI DIS

..... ..... 5.3L (LM7) T SFI Magnetic (3)

..... ..... 6.0L (LQ4) U SFI DISCutaway G 6.0L (LQ4) U SFI DIS..... ..... 6.5L (L65) F Turbo Diesel N/AEnvoy S, T 4.2L (LL8) S SFI DISEnvoy XL S, T 4.2L (LL8) S SFI DIS..... .... 5.3L (LM4) P SFI DISEscalade C 5.3L (LM7) T SFI DIS..... K 6.0L (LQ9) N SFI DISEscalade ESV & EXT

K 6.0L (LQ9) N SFI DIS

Montana & Venture U, X 3.4L (LA1) E SFI DISH2 ..... 6.0L (LQ4) U SFI DISRendezvous A 3.4L (LA1) E SFI DISRV Cutaway G 6.0L (LQ4) U SFI DISSierra & Silverado C, K 4.3L (LU3) X CSFI Magnetic (3)

..... ..... 4.8L (LR4) V SFI DIS

..... ..... 5.3L (LM7) T SFI DIS

..... ..... 6.0L (LQ4) U SFI (4) DIS

..... ..... 6.0L (LQ4/KL6) U SFI (5) DIS

2003 Chevrolet Silverado 1500

2003 ENGINE PERFORMANCE General Motors Introduction - Trucks



Helpmelearn

April-29-08 11:45:50 AM Page 1 © 2005 Mitchell Repair Information Company, LLC.

Helpmelearn


..... ..... 6.0L (LQ4/KL8) U SFI (6) DIS

..... ..... 6.6L (LB7) 1 Turbo Diesel N/A

..... ..... 8.1L (L18) G SFI DISSilhouette X 3.4L (LA1) E SFI DISSonoma & S10 Pickup

S 2.2L (L43) 5 SFI (7) DIS

..... S, T 4.3L (LU3) X CSFI Magnetic (3)

SSR ..... 5.3L (LM4) P SFI DISSuburban C, K 5.3L (LM7) T SFI DIS..... ..... 5.3L (L59) Z SFI (7) DIS..... ..... 6.0L (LQ4) U SFI DIS..... ..... 8.1L (L18) G SFI DISTahoe C, K 4.8L (LR4) V SFI DIS..... ..... 5.3L (LM7) T SFI DIS..... ..... 5.3L (L59) Z SFI (7) DISTracker J & E 2.0L (L34) C MFI DIS..... ..... 2.5L (LE8) 4 SFI DISTrailBlazer S & T 4.2L (LL8) S SFI DIS..... ..... 5.3L (LM4) P SFI DISVue ..... 2.2L (L61) D SFI DIS..... ..... 3.0L (L81) B SFI DISYukon ..... 4.8L (LR4) V SFI DIS..... ..... 5.3L (LM7) T SFI DIS..... ..... 5.3L (L59) Z SFI (7) DIS..... ..... 6.0L (LQ4) U SFI DISYukon XL C, K 5.3L (LM7) T SFI DIS..... ..... 5.3L (L59) Z SFI (7) DIS..... ..... 6.0L (LQ4) U SFI DIS..... ..... 8.1L (L18) G SFI DIS Magnetic(1) Series designation.(2) Engine code is stamped on engine block. See ENGINE CODE LOCATION .(3) Uses Enhanced Electronic Ignition (EEI), utilizing a camshaft and crankshaft position sensor.(4) Gasoline vehicle.(5) Bi-fuel vehicle.(6) Compressed Natural Gas (CNG) vehicle.(7) Flex-fuel vehicle.



Helpmelearn


MODEL/YEAR VIN CODE APPLICATIONS

MODEL/YEAR VIN CODE APPLICATIONS

VEHICLE IDENTIFICATION NUMBER

Fig. 1: VIN Character Position & Definition Courtesy of GENERAL MOTORS CORP.

VIN Code Model YearY 20001 20012 20023 2003



Helpmelearn


Fig. 2: VIN Plate Location Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 3: VIN Decoding Chart (Astro & Safari) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 4: VIN Decoding Chart (Avalanche & Tahoe) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 5: VIN Decoding Chart (Aztek & Rendezvous) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 6: VIN Decoding Chart (Blazer, S10 Pickup & Sonoma) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 7: VIN Decoding Chart (Bravada) Courtesy of GENERAL MOTORS CORP.



Helpmelearn




Helpmelearn


Fig. 8: VIN Decoding Chart (Chevy Express & Savana)Courtesy of GENERAL MOTORS CORP.

Fig. 9: VIN Decoding Chart (Envoy & TrailBlazer) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 10: VIN Decoding Chart (Escalade, Suburban & Yukon) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 11: VIN Decoding Chart (Hummer H2) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 12: VIN Decoding Chart (Montana, Silhouette & Venture) - 1 Of 2 Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 13: VIN Decoding Chart (Montana, Silhouette & Venture) - 2 Of 2 Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 14: VIN Decoding Chart (Sierra & Silverado) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 15: VIN Decoding Chart (SSR) Courtesy of GENERAL MOTORS CORP.

Fig. 16: VIN Decoding Chart (Tracker) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 17: VIN Decoding Chart (Vue) Courtesy of GENERAL MOTORS CORP.

VIN DERIVATIVE

Fig. 18: Identifying VIN Derivative Positions & VIN Equivalent Positions Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 19: VIN Derivative (Astro & Safari) Courtesy of GENERAL MOTORS CORP.

Fig. 20: VIN Derivative (Avalanche & Tahoe) Courtesy of GENERAL MOTORS CORP.

Fig. 21: VIN Derivative (Aztek & Rendezvous) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 22: VIN Derivative (Blazer, S10 Pickup & Sonoma) Courtesy of GENERAL MOTORS CORP.

Fig. 23: VIN Derivative (Bravada) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 24: VIN Derivative (Chevy Express & Savana) Courtesy of GENERAL MOTORS CORP.

Fig. 25: VIN Derivative (Envoy & TrailBlazer) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 26: VIN Derivative (Escalade, Suburban & Yukon) Courtesy of GENERAL MOTORS CORP.

Fig. 27: VIN Derivative (Hummer H2) Courtesy of GENERAL MOTORS CORP.

Fig. 28: VIN Derivative (Montana, Silhouette & Venture) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 29: VIN Derivative (Sierra & Silverado) Courtesy of GENERAL MOTORS CORP.

Fig. 30: VIN Derivative (SSR) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 31: VIN Derivative (Vue) Courtesy of GENERAL MOTORS CORP.

ENGINE ID & VIN DERIVATIVE LOCATION

2.0L

The engine ID number is located on the lower left engine block area at the bellhousing (1). See Fig. 32 .

Fig. 32: Locating Engine Identification Number (2.0L) Courtesy of GENERAL MOTORS CORP.

2.2L



Helpmelearn


The Vehicle Identification Number (VIN) Derivative is located on the valve rocker arm cover or etched on the left side of the engine block above the starter. See Fig. 33 .

Fig. 33: Locating Engine Identification & VIN Derivative (2.2L) Courtesy of GENERAL MOTORS CORP.

2.5L

The engine ID is located on the lower front or the engine block. See Fig. 34 .



Helpmelearn



3.4L

The primary location of the Engine ID for the 3400 (LA1) engine is on top of the right rocker arm cover or front or right oil pan rail. The primary location (1) of the VIN derivative and the secondary location (2) of the VIN



Helpmelearn


derivative for the 3400 (LA1) engine is above the starter motor on the engine block. See Fig. 35 .

Fig. 35: Locating VIN Derivatives (3.4L) Courtesy of GENERAL MOTORS CORP.

4.2L

The VIN Derivative is located on the left side rear of the engine block (1). See Fig. 37 .



Helpmelearn





Helpmelearn


Fig. 37: Locating VIN Derivative (4.2L) Courtesy of GENERAL MOTORS CORP.

4.3L

The Vehicle Identification Number (VIN ) Derivative is located on the left side rear of the engine block or on the right side rear and typically is a nine digit number stamped or laser etched onto the engine at the vehicle assembly plant. See Fig. 38 .



Helpmelearn



4.8L, 5.3L & 6.0L



Helpmelearn


Fig. 39: Locating Engine Identification Number (4.8L, 5.3L & 6.0L) Courtesy of GENERAL MOTORS CORP.

6.6L (DIESEL)



Helpmelearn


Fig. 40: Locating Engine Identification Number (6.6L Diesel) Courtesy of GENERAL MOTORS CORP.

8.1L



Helpmelearn



VEHICLE SAFETY CERTIFICATION LABEL

The vehicle certification label certifies that the vehicle conforms to all applicable Federal Motor Vehicle Safety Standards. See Fig. 42 . The vehicle certification label is permanently located on the edge of the driver's door or on the driver-side door pillar.



Helpmelearn




Helpmelearn


Fig. 42: Vehicle Safety Certification Label (Typical)Courtesy of GENERAL MOTORS CORP.

Fig. 43: Vehicle Certification Label (Aztek, Montana, Rendezvous, Silhouette & Venture) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 44: Vehicle Safety Label (W/RPO Z49 - Canada) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


Fig. 45: Vehicle Certification Label (Saturn) Courtesy of GENERAL MOTORS CORP.



Helpmelearn


silverado 0 Introduction

Documents

lqq4 u sfi

lq4kl6 u sfi

lq4kl8 u sfi

l59 z sfi

lr4 v sfi

lm7 t sfi magnetic

sfi distrailblazer s

lq4 u sfi disrendezvous