2008 Cadillac CTS Valve Stem Oil Seal

First, you need to remove the starter motor, install the EN 46106 to prevent crankshaft rotation, remove the camshafts and rocker arms and remove the spark plug from the applicable cylinder. Then, please install the J 39313 to the applicable cylinder, connect the J 39313 to a compressed air source, install the EN 46110 above the applicable cylinder as shown, tighten the EN 46110 valve spring compressor nut and remove the valve keepers. Finally, you should loosen the EN 46110 valve spring compressor nut, remove the valve spring retainer, and the valve spring and remove the valve stem seal.

First, you need to use EN 46116 to install the valve stem seal, install the valve spring, and the valve spring retainer and install EN 46110 above the applicable valve spring as shown. Then, please tighten the EN 46110 valve spring compressor nut, install the valve spring keepers, remove the EN 46110, disconnect the J 39313 from the compressed air source, and remove the J 39313. Finally, you should install the spark plugs, the rocker arms, and camshafts, remove the EN 46106 to prevent crankshaft rotation, and install the starter motor.