Here is the service bulletin information. You might be able to search for it on the net:

Make: ISUZU
Model: VEHICROSS
Year: 1999
Type: ANY
Service Bulletin Number: IB00S005
NHTSA Item Number: 614139
Summary Description:
THIS INFORMATION BULLETIN OUTLINES THE PROPER STEPS TO INDEX THE CAMSHAFTS WITH THE CRANKSHAFT FOR VEHICLES EQUIPPED WITH DIRECT ATTACK DOHC 3.2L / 3.5L V6 ENGINE. IN THE EVENT THAT CAMSHAFT TIMING HAS BEEN DISRUPTED, DUE TO TIMING BELT BREAKAGE OR CAMSHAFTS / CRANKSHAFT BEING ROTATED WITHOUT A TIMING BELT, THIS IS IMPORTANT PRIOR TO TIMING BELT INSTALLATION. *TT