Dodge RAM 1500 1998 Owner's Manual page 1309

9 - 86 ENGINE - 3.7L
TIMING BELT/CHAIN AND SPROCKETS (Continued)
Fig. 113 COUNTERBALANCE SHAFT ALIGNMENT
1 - COUNTERBALANCE SHAFT GEAR
2 - TIMING MARK
3 - IDLER SPROCKET GEAR
NOTE: It will be necessary to slightly rotate cam-
shafts for sprocket installation.
(11) Align left camshaft sprocket "L" dot to plated
link on chain.
(12) Align right camshaft sprocket "R" dot to
plated link on chain.
CAUTION: Remove excess oil from the camshaft
sprocket bolt. Failure to do so can result in over-
torque of bolt resulting in bolt failure.
(13) Remove Special Tool 8429, then attach both
sprockets to camshafts. Remove excess oil from bolts,
then Install sprocket bolts, but do not tighten at this
time.
(14) Verify that all plated links are aligned with
the marks on all sprockets and the "V6" marks on
camshaft sprockets are at the 12 o'clock position.
CAUTION: Ensure the plate between the left sec-
ondary chain tensioner and block is correctly
installed.
(15) Install both
Tighten bolts to 28 N·m (250 in. lbs.).
NOTE: Left and right secondary chain tensioners
are not common.
MARKS
secondary chain tensioners.
(16) Remove all locking pins (3) from tensioners.
CAUTION: After pulling locking pins out of each
tensioner, DO NOT manually extend the tensioner(s)
ratchet. Doing so will over tension the chains,
resulting in noise and/or high timing chain loads.
(17) Using Special Tool 6958, Spanner with Adap-
tor Pins 8346, tighten left (Fig. 114) and right (Fig.
115). camshaft sprocket bolts to 122 N·m (90 ft. lbs.).
Fig. 114 TIGHTENING LEFT SIDE CAMSHAFT
SPROCKET BOLT
1 - TORQUE WRENCH
2 - CAMSHAFT SPROCKET
3 - LEFT CYLINDER HEAD
4 - SPECIAL TOOL 6958 SPANNER WITH ADAPTER PINS 8346
(18) Rotate engine two full revolutions. Verify tim-
ing marks are at the follow locations:
• primary chain idler sprocket dot is at 12 o'clock
• primary chain crankshaft sprocket dot is at 6
o'clock
• secondary chain camshaft sprockets "V6" marks
are at 12 o'clock
• counterbalancer shaft drive gear dot is aligned
to the idler sprocket gear dot
(19) Lubricate all three chains with engine oil.
(20) After installing all chains, it is recommended
that the idler gear end play be checked. The end play
DR