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78 ENGINE COMPONENT AND LOCATION
1. Exhaust Brake Cam
2. Exhaust Cam
Rollers in the ends of the rocker arms contact the cam shaft. The contacts with the
yokes have ball sockets for flexibility.
The camshaft is induction-hardened. Timing marks for valve and injector adjustment
are located on the flange forward of the No. 1 camshaft journal. These marks are for
adjusting valve clearance. They do not apply to camshaft timing.
Camshaft thrust washers are integral on the No. 7 journal bearing. Smooth rotation is
ensured by means of a vibration damper on the camshaft gear. Teeth on the damper
interact with the camshaft position sensor for input to the EECU.
3. Injector Cam
4. Inlet Cam
W2033303
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