Cylinder Head Installation Cadillac ELR I

Special Tools

EN-470-B Angular Torque Wrench.

For equivalent regional tools, refer to Special Tools .

1. Clean the sealing surfaces and remove all remains of dirt and old gasket material from thread bores, water galleries and oil galleries.
2. Install a NEW cylinder head gasket (3). The marking "Top" should point to the cylinder head.
3. Install the cylinder head (2).
4. Install the 12 cylinder head bolts (1) and handtighten.
5. Lay on a straight edge (1) to engine block and cylinder head and adjust the transition in area (2) until there is no clearance between cylinder head and straight edge. Use a rubber mallet.
6. Tighten the cylinder head bolts in the sequence as shown and in the following order: Tighten the cylinder head bolts to 35 N.m (26 lb ft). Tighten the cylinder head bolts an additional 180°. Use EN-470-B wrench.