Page 70 of GM Goodwrench Engines Catalog by GM Goodwrench

GOODWRENCH SERVICE REPLACEMENT ENGINES Section V Page 69 August 2004 12513153 191 CID New 3.1L 1990 Chevrolet, Pontiac, W (LH0)(3.1T) Oldsmobile, Buick 1991 Buick W19 Type 1 VIN 400001 thru 800000 Engine-Specific Content: Front Cover, Lower Intake Manifold, Oil Pan, and Valve Covers Notes: If engine is received without dampener, must order part number 10166353. INSTALLATION INSTRUCTIONS This engine incorporates 1993 production parts. When servicing internal components and the dipstick and tube assembly, use 1993 LH0 service parts. The engine is built to production point of build torque specifications, loss of some bolt torque is normal. It is not necessary to retorque any bolts. 12522927 191 CID New 3.1L 1991-92 Chevrolet, Pontiac J (LH0)(3.1T) 1991-92 Pontiac, Oldsmobile W (LH0)(3.1T) 1991 Chevrolet L (LH0)(3.1T) 1991-92 Chevrolet W (LH0)(3.1T) (exc. N14) 1991 Buick W (LH0)(3.1T) Type 2 VIN from 800001 1992-93 Chevrolet L (LH0)(3.1T) 1992 Buick W (LH0)(3.1T) 1993 Chevrolet, Pontiac J (LH0)(3.1T) 1993 Chevrolet W (LH0)(3.1T) (exc. N14, NB2) 1993 Pontiac, Oldsmobile, W (LH0)(3.1T) (exc. NB2) Buick 1994 Chevrolet, Pontiac J (LH0)(3.1T) MD9, MG2 1994 Chevrolet W (LH0)(3.1T) M13, NB2, NA5 Engine-Specific Content: Front Cover, Lower Intake Manifold, Oil Pan, and Valve Covers Replaces: 12516160 Replaced By: INSTALLATION INSTRUCTIONS No special installation instructions are necessary. Please refer to the general installation procedure section of this book.

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