Your Packard Twelve engine control system detects a problem, the computer stores the diagnostic trouble
code B0368 in its memory.
To figure out what is wrong with your vehicle you must first extract the B0368 DTC For Packard Twelve.
To solve B0368 Packard Twelve problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs
B0368 Packard Twelve DTC Meaning
Body Code - Problem is antilock brake system, electronic suspension and steering systems.
SAE - Generic
IC Module 4X Ref Circuit Intermittent, No Pulses
Vehicle Speed Output Circuit
Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit
The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. B0368 Packard Twelve code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.