| Infiniti Engine >> CYL HEAD INSTALLATION ON 93-96 3.0L VIN A |
Cylinder Head Installation On
1993-96 Infiniti 3.0L VIN A Engines
The AERA Technical Committee offers the following information on cylinder head installations for 1993-96 3.0L VIN A engines. This engine uses two different length head bolts and one other small 6 mm bolt. For each head, one long bolt, seven short bolts and one 6 mm bolt are required.
Before installing the heads, place the number one cylinder at top dead center, making sure the crankshaft sprocket marks are lined up. Install the head gasket and cylinder head, then follow the procedure listed below.
1. Ensure bolt washers are installed on head bolts with chamfer
toward the bolt head.
2. Coat all bolt threads and contact surfaces with light engine
oil.
3. Install all bolts and hand tighten.
4. In sequence, tighten long and short bolts to 29 ft. lbs.
5. In sequence, tighten long and short bolts to 91 ft. lbs.
6. In sequence, loosen all bolts.
7. In sequence, tighten short bolts an additional 70-75^ turn.
8. In sequence, tighten long bolts an additional 65-70^ turn.
9. Tighten the 6 mm bolt to 106 in. lbs.
The AERA Technical Committee
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