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Chilton's GM Trucks & SUVs 1980 - 1999
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8826
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8826.M14
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2004-08-31
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OCR:
TORQUE SPECIFICATIONS All readings in ft. lbs. Engine Cylinder Main Rod Crankshaft Engine Displacement Head Bearing Bearing Damper Flywheel Manifold Spark Lug Year ID/VIN Liters (cc) Bolts Bolts Bolts Bolts Bolts Intake Exhaust Plugs Nu 1985 E 2.5 (2474 - 70 32 160 44 25 1 2 7-15 90 N 4.3 (4293 65 70 45 70 55-75 35 3 22 1986 E 2.5 (2474 70 32 160 5 25 1 2 7-15 90 Z 4.3 (4293 65 75 45 70 75 35 3 22 90 1987 E 2.5 (2474 70 32 160 5 25 1 2 7-15 90 Z 4.3 (4293 65 80 45 70 75 35 22 90 1988 E 2.5 (2474 4 70 32 160 5 25 1 2 7-15 90 Z 4.3 (4293 65 80 45 70 75 35 3 22 90 1989 E 2.5 (2474 4 65 30 160 5 25 2 7-15 90 Z 4.3 (4293 65 80 45 70 75 35 3 22 90 1990 E 2.5 (2474 65 30 160 5 25 2 11 90 B 4.3 (4293 65 80 45 70 75 35 11 90 Z 4.3 (4293 65 80 45 70 75 35 3 11 90 1991 B 4.3 (4293 65 75 5 70 75 35 7 3 11 90 Z 4.3 (4293 65 75 70 75 35 7 3 11 90 1992 W 4.3 (4293 65 75 70 75 35 ₿ 11 90 Z 4.3 (4293 65 75 70 75 35 7 3 11 90 43F 1993 W 4.3 [4293 65 75 70 75 35 8 3 11 100 Z 4.3 (4293 65 75 70 75 35 7 11 100 1994 W 4.3 (4293 65 75 70 75 35 8 3 11 100 2 4.3 (4293 65 75 6 70 75 35 7 3 11 100 1995 W 4.3 (4293 65 75 70 75 35 B 11 100 1996 | W 4.3 {4293 9 77 74 75 10 3 4 11 100 1. IF EQUIPPED WTH BOLTS AND STUDS TO THE 8. SPECIFICATION IS FOR LOWER MANIFOLD. ILLUSTRATION ACCOMPANYING THE REPAIR PROCEDURE UPPER 124 INCH LBS. 2. CENTER BOLTS 36 FT. LBS. 9. 1ST PASS: 22 FT.LBS. OUTER BOLTS 32 FT. LBS. 2ND PASS 3. CENTER BOLTS 26 FT. LBS. SNORT PORTS. PLUS 55 DEGREES OTHER BOLTS 29 FT. LBS. MEDIUM BOLTS .. PLUSS 65 DEGREES 4. STEP 1 TIGHTEN ALL HEAD BOLTS TO 18 FT. LBS. LONG BOLTS: PLUS 75 DEGREES STEP 2 TIGHTEN ALL BOLTS TO 26 FT. LBS. EXCEPT NO. 9 10. LOWER MAKE MANIFOLD RETIGHTEN ALL AN ADDITIONAL90 DEGREES (1:4 TURN) 1ST PASS: 27 INCH-LBS 5 AUTOMATIC TRANS: 55 FT. LBS. 2ND PASS: 106 INCH-LBS MANUAL TRANS: 65 FT. LBS. 6. 20 FT. LBS. PLUS 60 DEGREES [1991-92] OR PLUS FINAL PASS: 11FT. LBS. UPPER MANIFOLD BOLTS 70 DEGREES (1993-96) 83 INCH LBS. 7. LAST BOLT. LEFT SIDE (49m SEQUENCE) 41 FT. LBS. 11. SPECIFICATION IS FOR A USED HEAD ON ALL OTHERS: 35 FT. LBS. NEW HEADS TIGHTEN TO 20 FT. LBS.