38
REAR AXLE-PROPELLER
SHAFT
PINION DEPTH ADJUSTMENT
The pinion depth adjustment procedure as outlined in
the Rear Axle and Propeller Shaft Section of the 1956
Special V-8 Series Technical Service Manual Supple-
ment is used to adjust pinion depth.
The distance of the rear axle center line to the rear
machined face of the pinion gear is 2.547". This measure-
ment is to be used to check for the correct pinion depth.
REAR SPRING SPECIFICATIONS
Free Height Loaded Height
Rate Lbs. Per Inch
After Loaded
Less Wheel Carrier
With Wheel Carrier
Heavy
17-7'8"
17-1/2"
16-3/4"
Minimum
10-9/16" at 870 Lbs.
± 25 Lbs.
10-9/16" at 940 Lbs.
± 25 Lbs.
11-1/4" at 870 Lbs.
± 25 Lbs.
125 Lbs.
135 Lbs. ± 5 Lbs.
170 Lbs. ± 5 Lbs.
REAR AXLE SPECIFICATIONS
Type
Drive Gear Type
Ring Gear and Pinion Backlash
Axle Shaft End Play
Pinion Shaft Bearing Tension
Pinion Bearing Adjustment
Differential Side Bearing Preload
Lubrication Capacity
Type of Lubricant
Rear Axle Ratio (Standard or Overdrive)
Rear Axle Ratio (Automatic)
Semi-Floating
Hypoid
.002"-.006"
.002"-.004"
15" Lbs.-18" Lbs.
Shims
.004"-.008"
4 Pts.
SAE 90 HYPOID*
4.1:1 (10-41)
3.2:1 (13-41)
*NOTE: Rear Axles are filled at the factory with SAE 90 Hypoid
Gear Lubricant. Lubricant change at regular drain and refill periods
is not recommended. The container of factory Hypoid Lubricant
furnished with service axle housings and gear sets should be used at
time of replacement service. SAE 90 Hypoid Gear Lubricant is
preferred when the addition of lubricant is necessary to bring it to
the proper level. However, a SAE 90 Multi-purpose lubricant may
be used after a break-in period (several thousand miles) as long as
it is suitable for Hypoid Rear Axle Service. Naturally, the results
of such use is the responsibility of the lubricant supplier or servicing
dealer. .
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