Oil Pan - Chevrolet LIGHT DUTY TRUCK (SERIES 10-35) Service Manual

6 A 1-20 IN-LINE 6
Fig. 6A 1-25--R eplacing C am shaft Front Bearing
bearings nearest center of the engine first. With this
method a minimum amount of turns are necessary to
remove all bearings.
4. Using Tool Set J-6098, with nut and thrust washer
installed to end of threads, index pilot in camshaft front
bearing and install puller screw through pilot.
5. Install remover and installer tool with shoulder
toward bearing, making sure a sufficient amount of threads
are engaged.
6 . Using two wrenches, hold puller screw while turning
nut. When bearing has been pulled from bore, remove
remover and installer tool and bearing from puller screw
(fig. 6A1-24).
7. Remove remaining bearings (except front and rear)
in the same manner. It will be necessary to index pilot in
camshaft rear bearing to remove the rear intermediate
bearing.
8 . Assemble remover and installer tool on driver handle
and remove camshaft front and rear bearings by driving
towards center of cylinder block (fig. 6A1-25).
Installation
The camshaft front and rear bearings should
NOTICE:
be installed first. These bearings will act as guides for
the pilot and center the remaining bearings being pulled
into place.
1. Assemble remover and installer tool on driver handle
and install camshaft front and rear bearings by driving
towards center of cylinder block (fig. 6A1-25).
2. Using Tool Set J-6098, with nut and thrust washer
installed to end of threads, index pilot in camshaft front
bearings and install puller screw through pilot.
3. Index camshaft bearing in bore, then install remover
and installer tool on puller screw with shoulder toward
bearing.
CAUTION: All cam bearing oil holes must
be aligned with oil holes in cam bore.
4. Using two wrenches, hold puller screw while turning
LIG H T T R U C K SER V IC E M ANUAL
nut. After bearing has been pulled into bore, remove the
remover and installer tool from puller screw and check
alignment of oil hole in camshaft bearing.
5. Install remaining bearings in the same manner. It
will be necessary to index pilot in the camshaft rear bearing
to install the rear intermediate bearing.
. Install a new camshaft rear plug.
6
Plug should be installed flush to 1/32"
NOTICE:
(.80mm) deep and be parallel with rear surface of
cylinder block.

OIL PAN

All except 'G ' Van
Removal
1. Disconnect battery negative cable.
2. Raise vehicle on hoist and drain engine oil.
3. Remove starter.
4. Remove flywheel splash shield or converter housing
underpan, as applicable.
5. Remove "through" bolts from engine front mounts.
6 . Raise front of engine, reinstall mount through bolts
and lower engine.
7. Remove oil pan bolts.
8 . Remove oil pan.
Installation
1. Thoroughly clean all gasket sealing surfaces.
2. Using a new gasket, install rear seal in rear main
bearing cap.
3. Install front seal on crankcase front cover, pressing
tips into holes provided in cover.
4. Install side gaskets to engine block, using a gasket
sealer with sufficient body to act as a retainer.
5. Install oil pan, torquing the retaining bolts to 80 lb.
in. (9N-m).
6 . Raise engine sufficiently to allow removal of
"through" bolts - lower engine and install mount "through"
bolts. Torque bolts to 75 lb. ft. (100 N-m).
7. Install flywheel splash shield or converter housing
underpan, as applicable.
. Install starter.
8
9. Lower vehicle and fill crankcase with oil.
10. Connect battery negative cable, start engine and
check for leaks.
"G" Van
Removal
1 . Disconnect battery negative cable.
2. Remove engine cover.
3. Remove air cleaner and studs.
4. Remove fan finger guard.
5. Remove radiator upper support brackets.
. Raise vehicle on hoist.
6
If vehicle is equipped with a standard
NOTICE:
transmission, perform the following steps before
continuing.
a. Disconnect clutch cross shaft from left front mount