Oldsmobile 12337563 F, Head, Reman

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To remove and install cylinder heads on various Buick, Chevrolet, Pontiac, and Oldsmobile engines, follow these general steps: Begin by disconnecting the battery and draining the coolant. Remove the air cleaner, and if equipped, the air conditioning compressor (without disconnecting lines) and air hose at the check valve. Next, remove the turbocharger assembly, if applicable, and then the intake manifold. When removing the right cylinder head, loosen the alternator belt and disconnect the wiring to remove the alternator. For the left cylinder head, remove the dipstick, power steering pump, and air pump if present. Label and disconnect plug wires and the exhaust manifold from the head being removed. Remove the rocker arm cover, rocker shaft assembly, and pushrods while keeping them in order. Carefully clean the engine block gasket surface and ensure no foreign material enters critical areas. Install a new head gasket with the dowels in the block holding it in place. To install, clean the cylinder head gasket surface, place the cylinder head on the dowels in the block, and use thread sealer on all head bolts. Tighten the bolts incrementally in the specified sequence to the final torque value as per the Torque Specifications chart. Finally, reassemble the remaining components in reverse order. For Chevrolet engines, be sure to use a torque wrench for tightening the cylinder head bolts, and for Oldsmobile diesel engines, clean the mating surfaces thoroughly, use a new head gasket, and follow specific torque and sealing procedures. Additionally, check the cylinder head for warpage using a straightedge and feeler gauges, and if warpage exceeds specified limits, have the cylinder head resurfaced by a professional machine shop.