Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET1998CHEVY VAN G2500, VAN CARGO, 5.0 MREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEAPPLICATIONENGINE/VIN BREAKDOWNMODEL IDENTIFICATIONNOTES

1998 Chevrolet Chevy Van G2500, Van Cargo, 5.0 M

Model Identification: Notes

1998 Chevrolet Chevy Van G2500, Van Cargo, 5.0 MSECTION Notes

MODEL IDENTIFICATION

MODEL

⁽¹⁾ BODYCODE

⁽²⁾ ENGINE

ENGINE ID

FUEL SYSTEM

IGNITION SYSTEM

Astro & Safari

M, L

4.3L (L35)

W

CSI ⁽³⁾

Magnetic ⁽⁴⁾

Blazer, Bravada, Jimmy, Pickup & Sonoma

S, T

2.2L (LN2) ⁽⁵⁾

4

SFI

DIS Magnetic

Blazer, Bravada, Jimmy, Pickup & Sonoma

S, T

4.3L (L35)

W

CSI ⁽³⁾

Magnetic ⁽⁴⁾

Blazer, Bravada, Jimmy, Pickup & Sonoma

S, T

4.3L (LF6)

X

CSI ⁽³⁾

Magnetic ⁽⁴⁾

Commercial Van/ Motorhome (P42/P32)

P

.3L (L35)

W

CSI ⁽³⁾

Magnetic ⁽⁴⁾

Commercial Van/ Motorhome (P42/P32)

P

5.7L (L31)

R

CSI ⁽³⁾

Magnetic ⁽⁴⁾

Commercial Van/ Motorhome (P42/P32)

P

6.5L (L57)

Y

Diesel

N/A

Commercial Van/ Motorhome (P42/P32)

P

6.5L (L65)

F

Turbo Diesel

N/A

Commercial Van/ Motorhome (P42/P32)

P

7.4L (L29)

J

SFI

Magnetic ⁽⁴⁾

Express, G-Van & Savana

G

4.3L (L35)

W

CSI ⁽³⁾

Magnetic ⁽⁴⁾

Express, G-Van & Savana

G

5.0L (L30)

M

CSI ⁽³⁾

Magnetic ⁽⁴⁾

Express, G-Van & Savana

G

5.7L (L31)

R

CSI ⁽³⁾

Magnetic ⁽⁴⁾

Express, G-Van & Savana

G

6.5L (L65)

F

Turbo Diesel

N/A

Express, G-Van & Savana

G

7.4L (L29)

J

SFI

Magnetic ⁽⁴⁾

Pickup & Sierra

C, K

4.3L (L35)

W

CSI ⁽³⁾

Magnetic ⁽⁴⁾

Pickup & Sierra

C, K

5.0L (L30)

M

CSI ⁽³⁾

Magnetic ⁽⁴⁾

Pickup & Sierra

C, K

5.7L (L31)

R

CSI ⁽³⁾

Magnetic ⁽⁴⁾

Pickup & Sierra

C, K

6.5L (L65)

F

Turbo Diesel

N/A

Pickup & Sierra

C, K

6.5L (L56)

S

Turbo Diesel

N/A

Pickup & Sierra

C, K

7.4L (L29)

J

SFI

Magnetic ⁽⁴⁾

Silhouette,Trans Sport& Venture

U

3.4L (LA1)

E

SFI

DIS Magnetic

Suburban

C, K

5.7L (L31)

R

CSI ⁽³⁾

Magnetic ⁽⁴⁾

Suburban

C, K

6.5L (L65)

F

Turbo Diesel

N/A

Suburban

C, K

7.4L (L29)

J

SFI

Magnetic ⁽⁴⁾

Tahoe & Yukon

C, K

5.7L (L31)

R

CSI ⁽³⁾

Magnetic ⁽⁴⁾

Tahoe & Yukon

C, K

6.5L (L56)

S

Turbo Diesel

N/A

Tracker

J

1.6L (L01)

6

SFI

Magnetic

⁽¹⁾	Series designation.

⁽²⁾	Engine code is stamped on engine block. See ENGINE CODE LOCATION.

⁽³⁾	Central Sequential Port Injection (CSI).

⁽⁴⁾	Uses Enhanced Electronic Ignition, utilizing a camshaft and crankshaft position sensor.

⁽⁵⁾

2WD only.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.