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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET1990CHEVY VAN G20, 6.2 C, 4L60/MD8REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEAPPLICATIONENGINE/VIN IDENGINE CODE LOCATION
1990 Chevrolet Chevy Van G20, 6.2 C, 4L60/MD8
Engine Code Location
1990 Chevrolet Chevy Van G20, 6.2 C, 4L60/MD8SECTION Engine Code Location
The locations of the stamped codes for each particular engine are listed below. Refer to 1990-91 MODEL COVERAGE & IDENTIFICATION .
ENGINE CODE LOCATION
| Engine Code | Location(s) | ||
|---|---|---|---|
| LU2, LB4, LO3, LO5 & L19 | On front of engine block, on right side above timing gear cover OR on left side of engine block, on engine-to-transmission mating flange. | ||
| LN8 & L38 | On left side of engine block, at rear below cylinder head OR on left side of engine block, on engine-to-transmission mating flange. | ||
| LL2 | On front of engine block, on left side above timing gear cover OR on right side of engine block above engine mount. | ||
| LH6 & LL4 | On front of engine block, right side of timing gear housing casting OR on top of engine block, near left cylinder head-to-engine block mating surface, at front OR on left side of engine block, on engine-to-transmission mating flange. | ||
| LG6 | On left side of engine block, on engine-to-transmission mating flange. | ||
|
|||
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.