96bulldogpower

Staxx, I will re-time for sure this weekend as much as I hate doing it lol as far as getting the governor timing done right I really hope they got it right and live up to their "bosch licensed" knowledge. I will double check the bolts on that pump gear where you set the degrees behind the access plate. I will keep yall posted on what I find out this weekend. Thanks guys!

Theakerstwo, we actually tried that back in january when we popped the cam in there. The problem was even after sticking the cam in the freezer and the gear in the oven at full blast it still didn't want to slip right on, apparently it has to be heated AND pressed on. Well that's what the mack boys did anyway

theakerstwo, you have a VERY good point on the cam gear that turns the injection pump. We had the gear pressed on at mack I really hope they didn't screw up, that was a $1600 cam and many hours of work to install it at our shop. I will be working on it this weekend and I will double check the pump gear itself for signs of movement through the access plate amd then I will re-time it. Y'all are right this does sound like a timing issuebut I sure hate timing these motors they are such a pain in the ***

Staxx, if I carefully add ether to make it start then the electronic malfunction and engine shutdown light up as the engine roars to life but it blows out large amounts of gray/white smoke and smells like unburnt diesel. This is EXACTLY the symptoms the truck gave when the injection pump went out. We were told at the bosch shop that the 2nd plunger had to be hammered out due to excessive wear throughout the pump and it seized itself in place. After the rebuild we dialed it right up to the motor's timing amd it ran absolutely perfect... that is before it went to its first day of work.

Anyone??

Hey guys I need a lot of help from someone knowlegable on mack e-7 engines. Basically I have a 1991 mack CH613 that wiped a cam lobe back in december of 2012, we replaced the cam in january and it went to work for one day and it shut off and never started up again. We towed it back to our shop where it sat from january up until last month when we got around to replacing the injection pump (which we found out had given out) well we timed it all up and had it running for a good while at our yard and it ran amazing so we sent it to work finally about last week... it worked under load for one 8 mile load and it shut off on the roadway and we had to tow it back to our shop. All it will do is crank over and blow heavy white/gray smoke (of diesel) but will not start. I have run out of ideas. Injection pumps and cams are not cheap and I expected this truck to work fine after these parts were replaced. Help guys! Thanks ahead of time for any insight.