Chevrolet BEAUVILLE SPORTVAN G10 SERIES, Руководство по обслуживанию

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STEERING 9-6
7. Reassem ble the p itm an arm to the p itm an sh aft, lining up
the m arks m ade at disassem bly; torque th e n u t to
specifications.
8
. C onnect the b a tte ry ground cable.
PITM AN SH A FT SEAL
If p itm an shaft seal leakage occurs, the steering gear m ust be
com pletely rem oved fro m th e vehicle to perform th e replace­
m ent procedure.
Replacement
1. Rem ove the steering gear as outlined u n d er “ Steering
G ear-R em oval” .
2. Loosen the lash adjuster lo ck n u t and tu rn the lash
adjuster a few tu rn s counter-clockw ise.
3. Pull side cover and p itm an shaft from gear housing as a
u n it. D o n o t separate side cover from p itm an shaft.
4. P ry the pitm an sh a ft seal from gear housing using a screw
driver being careful n o t to damage housing bore.
C A U T IO N : Inspect the lubricant in the gear fo r
contam ination. If the lubricant is contam inated in
any way, the gear must be com pletely overhauled as
outlined in the 1 9 7 2 Overhaul M anual—Section 9.
5. C oat the new seal w ith gear lubricant and install in the
housing using a suitable size socket.
6
. Pack as m uch new Steering Gear L ubricant (m eeting GM
Specification G M 4673M ) in to the ends o f th e housing as
it will h old w ith o u t falling o u t the pitm an shaft opening.
7. Place a piece o f tape over th e splined end o f the pitm an
shaft and then low er th e p itm an shaft and side cover into
th e housing.
N O T E : Before the pitm an shaft is all the w ay into
the housing, more lubricant can be added in the
center cavity. D O N O T O V E R -F IL L the gear hous­
ing.
8
. Install a new side cover gasket, align the side cover on the
gear housing, install and to rq u e th e side cover screws.
9. R einstall the steering gear assembly as o u tlin ed under
“ Steering G ear—In stallatio n ” .
C A U T IO N : The pitm an arm to pitm an shaft nut,
steering gear to fram e bolts and steering coupling to
steering shaft and w orm shaft fastener are im portant
a t t a c h in g p a rts in t h a t they could affect the
performance of vital components and systems, and/or
could result in m ajor repair expense. They must be
replaced w ith one o f the same part number or w ith an
equivalent part if replacem ent becomes necessary. Do
n o t use a replacement part o f lesser q uality or
substitute design. Torque values must be used as
s p e c if ie d d u r in g re a s s e m b ly to assure proper
retention o f this part.
STEERING COLUMN
Removal
1. D isconnect the b a tte ry ground cable.
2. D isconnect the transm ission shifter rods at the colum n
shift levers.
3. Rem ove the steering shaft flange to flexible coupling
b olts.
4. F ro m inside the vehicle, remove th e screws from the toe
pan seal and slide the seal up the colum n.
5. Rem ove the steering wheel as o u tlin ed u nder “ Steering
W heel-Removal,” and reinstall the shaft n u t and w asher.
6
. All C olum ns—D isconnect th e directional signal wiring
harness.
A u to m atic C olum ns—D isconnect th e co n d u c to r tube (for
transm ission ind icato r) at the in stru m en t panel (fig.
10
).
7. Rem ove the cap screws from the colum n support bracket
a t the dash panel.
8
. C arefully lower and then w ithdraw the colum n assembly,
ro tatin g so th a t the shift levers clear the to e pan opening.
Disassembly (Fig. 12)
1. Rem ove the steering wheel n u t and flat w asher and then
slide the steering shaft assem bly from th e low er end o f
the colum n.
2. Remove the low er bearing preload spring and clamp from
th e steering shaft.
3. Drive o u t th e shift lever pivot pin and rem ove th e shift
lever.
4. Rem ove th e directional signal cancelling cam . Remove
the directional signal switch lever.
5. Rem ove th e colum n wiring harness cover.
6
. Remove th e directional signal switch screws.
7. R o tate the directional signal sw itch housing c o u n ter­
clockwise and remove the housing from the colum n.
N O T E : T he housing and switch cannot be fu lly
removed from the column until the shift lever
housing is removed.
8
. Rem ove the plastic th ru st washer assem bly and then
remove the shift lever housing from the colum n.
9. S eparate the directional signal sw itch, sw itch control
su p p o rt assem bly, directional signal housing and shift
lever housing assemblies.
C H E V Y V A N S H O P M A N U A L