Dodge RAM 1500 1998 Owner's Manual page 1246

DR
CYLINDER HEAD - LEFT (Continued)
Fig. 6 CAMSHAFT SPROCKET V6 MARKS (#1 TDC, Exhaust stroke)
1 - LEFT CYLINDER HEAD
(16) Lock the secondary timing chains to the idler
sprocket using Special Tool 8429 Timing Chain Hold-
ing Fixture (Fig. 7).
Fig. 7 Using Special Tool 8429
1 - SPECIAL TOOL 8429
2 - CAMSHAFT CHAIN
3 - CRANKSHAFT TIMING GEAR
2 - RIGHT CYLINDER HEAD
NOTE: Mark the secondary timing chain prior to
removal to aid in installation.
(17) Mark the secondary timing chain, one link on
each side of the V6 mark on the camshaft drive gear.
(18) Remove the left side secondary chain ten-
sioner. Refer to Timing Chain and Sprockets.
(19) Remove the cylinder head access plug (Fig. 8).
Fig. 8 Cylinder Head Access Plugs
1 - RIGHT CYLINDER HEAD ACCESS PLUG
2 - LEFT CYLINDER HEAD ACCESS PLUG
ENGINE - 3.7L 9 - 23