Dodge RAM TRUCK 1500 1995 Service Manual page 877

B i t — — — —
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— 3.9L ENGINE 9 - 33
CHAIN
SPROCKET
Fig. 9 Camshaft and Sprocket Assembly
(5) Remove push rods and tappets. Identify each
part so it can be installed in the original location.
(8) Remove distributor and lift out the oil pump
and distributor drive shaft.
(7) Remove camshaft thrust plate; note location of
oil tab (Fig. 10).
Fig. 10 Timing
Chain
Oil Tab Installation
(8) Install a long bolt into front of camshaft to fa­
cilitate removal of the camshaft. Remove camshaft,
being careful not to damage cam bearings with the
cam lobes.
REMOVAL—BEARING
(1) With engine completely disassembled, drive out
rear cam bearing core hole plug.
(2) Install proper size adapters and horseshoe
washers (part of Camshaft Bearing Remover/Installer
Tool C-3132-A) at back of each bearing shell. Drive
out bearing shells (Fig. 11).
Fig, 11 Camshaft Bearings Removal and Installation
with Tool C-3132-A
INSTALLATION—BEARING
(1) Install new camshaft bearings with Camshaft
Bearing Remover/Installer Tool C-3132-A by sliding
the new camshaft bearing shell over proper adapter.
(2) Position rear bearing in the tool. Install horse­
shoe lock and by reversing removal procedure, care­
fully drive bearing shell into place.
(3) Install remaining bearings in the same manner.
Bearings must be carefully aligned to bring oil holes
into full register with oil passages from the main
bearing. If the camshaft bearing shell oil holes are
not in exact alignment, remove and install them cor­
rectly. Install a new core hole plug at the rear of
camshaft. Be sure this plug does not leak.
INSTALLATION
(1) Lubricate camshaft lobes and camshaft bearing
journals and insert the camshaft to within 51 mm (2
inches) of its final position in cylinder block.
Whenever an engine has been rebuilt, a new
camshaft and/or new tappets installed, add 1
pint of Mopar® Crankcase Conditioner, or
equivalent. The oil mixture should be left in en­
gine for a minimum of 805 km (500 miles).
Drain at the next normal oil change.
(2) Install Camshaft Gear Installer Tool C-3509
with tongue back of distributor drive gear (Fig. 12).
Fig. 12 Camshaft Holding Tool C-3509 (Installed
Position)
(3) Hold tool in position with a distributor lock-
plate bolt. This tool will restrict camshaft from being