Suburban 3/4 Ton 4WD V8-305 5.0L (1986)
Figure 2
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Rotate valve shaft to permit installation of plastic adjustment gage. Center "D" shaped hole of gage must seat over "D" shape of the valve shaft and
gage tang must be positioned in valve mounting hole (See Figure 2).
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Reinstall lever assembly to the valve shaft utilizing a "C" clamp or channel lock pliers to seat lever nylon bushing to serration on the valve shaft.
Important
Do not drive the lever onto the shaft using the attaching nut. Doing so may result in improper valve setting.
Figure 3
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Reinstall valve shaft nut and torque to 8 - 11 N-m. (70 - 98 lbs. in.)
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Cut gage tang from body of the adjustment gage to allow the valve assembly to rotate freely (See Figure 3).
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Lower vehicle and test brakes.
SERVICE PARTS INFORMATION
Model
P/N
Description Code Color
C2, R2
14061394
Gage
A Green
K2, V2
15548904
Gage
E Yellow
Parts are currently available from GMSPO.
BRAKE BURNISHING
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On dry clean level roadway, accelerate to 55 mph., observe traffic following and when its clear
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Apply brake at a deceleration rate of 8 ft/sec/sec until vehicle speed is 25 mph. A decelerometer must be used to achieve the proper deceleration
rate, ^ Repeat this procedure at 1 mile intervals 15 times.
Decelerometers are available from various sources, one of which is:
Ammco Tool Company 2100 Commonwealth Avenue
N.
Chicago, IL 60064
WARRANTY INFORMATION For vehicles repaired under warranty use:
