What is a KDP?
Killer Dowel Pin In the back of the timing gear case, there is an assembly alignment pin pressed into a hole. The pin is there to align the timing case to the block. Some holes do not fit tightly around the pin and the pin can vibrate out of the hole and fall into the gear train. The pin is then rattled around by the timing gears until it either falls into the oil pan, gets kicked out through the side of the timing case, or passes through gear train bending the camshaft and ruining the gears and case. This pertains to the 94-98.5 engines. There are some reports of this occuring on some of the early ISB engines. 109. ABS Question: ABS Answer: ABS Anti-lock Brake System: Modulates braking pressure to control wheel lockup 110. ACM Question: ACM Answer: ACM Airbag Controller Module: monitors sensors and deploys airbag(s) in the event of an accident 111. AFC Question: AFC Answer: AFC Air Fuel Control: used on 94 – 98 diesels to control fuel rate at low boost 112. ASD Question: ASD Answer: A
