Chevrolet 1977 light duty truck Service Manual page 269

2 9 2 L-6
G 2 0 -3 0 C 1 0 -3 0
K 20 P 2 0 -3 0
Fig. 3B-112--Power Steering Pump 292 L-6
5. Remove pu m p from attaching parts and remove
pu m p from vehicle.
Installation
1. Postion pum p assembly on vehicle and install
attaching parts loosely.
2. Connect and tighten hose fittings.
3. Fill reservoir. Bleed pu m p by turning pulley
backward (counter-clockwise as viewed from front) until
air bubbles cease to appear.
4. Install pu m p belt over pulley.
5. Tension belt as outlined under "P um p Belt
T ension-A djustm ent" in this section.
6. Bleed as outlined
Steering Systems."
und er "Bleeding Power
Fig. 3B-114--Power Steering Pump C, K
Power Steering Hoses
W hen servicing the power steering hoses be sure to
align the hoses in their correct position as shown in Figs.
3B-118—3B-133.
It is im portant that the power steering hoses be
installed correctly. Hoses installed out of position may be
subjected to chafing or other abuses during sharp turns.
Do not twist hoses unnecessarily during installation.
CAUTION: Do not start engine with any power
steering hose disconnected.
Bleeding Power Steering Systems
W hen a power steering pum p or power gear has
been installed, the air that has entered the system must
be bled out before the vehicle is again operated. If air is
allowed to rem ain in the power steering fluid system,
moisy and unsatisfactory operation of the system will
result. Bleed air from the hydraulic system as follows:
P Series