One problem related to diesel engine has been reported for the 1999 Chevrolet K3500. The most recently reported issues are listed below.
11/09/04 I had to replace differential assembly: overhaul/rebuild front, replace brake pad (bendix)3/10/05 replaced idler arm. 3/23/05 replaced pitman arm. 10/25/05 6. 5 liter diesel electronic pump (pmd) failure. Truck was moving on it's on, jerking, black smoke came from tail pipe and tires would spin then it cut off and wouldn't start. Called wrecker and had it taken to auto shop. He replaced pmd module kit with a note to leave plastic cover off engine because of heat build up. 6/25/06 same thing happened. Called wrecker and had it taken to auto shop. This time he replaced fuel pump on frame rail. 6/29/06 fuel filter rings blew off, it started pouring fuel onto highway, jerking,truck moving on it's on, black smoke coming from tail pipe wouldn't stop had to hold break to floor until it stalled. Almost hit a building.