Lincoln Navigator: Front Drive Axle/Differential / Specifications

Lincoln Navigator 2018-2025 Workshop Manual / Driveline / Front Drive Axle/Differential / Specifications

Capacities

Item	Types of Axle	Liters
Material: Motorcraft® SAE 75W-85 Premium Synthetic Hypoid Gear Lubricant / XY-75W85-QL (WSS-M2C942-A)	Conventional	1.83 qt ( 1.73 L)
Material: Motorcraft® Ultra Silicone Sealant / TA-29 (WSS-M4G323-A8)	-	-

General Specifications

Item	Specification
Backlash Specifications
Ring gear backlash	0.204-0.305 mm (0.008-0.012 in)
Differential carrier runout	0.076 mm (0.003 in)
Clearance Specifications
Housing spreader adapter thread engagement	12.5 mm (0.500 in)
Maximum differential housing spread	0.762 mm (0.030 in)
Lubricant Fill Level Checks
Lubricant level	9.56 mm (0.38 in) below bottom of differential housing fill hole
Rotational Torque Ranges
Pinion bearing torque preload	1.8-3.3 Nm (16-29 lb-in)

Front Axle Backlash Shim Adjustment Table

Backlash Change Required		Thickness Change Required
mm	In	mm	In
0.025	0.001	0.050	0.002
0.050	0.002	0.050	0.002
0.076	0.003	0.101	0.004
0.101	0.004	0.152	0.006
0.127	0.005	0.152	0.006
0.152	0.006	0.203	0.008
0.177	0.007	0.254	0.010
0.203	0.008	0.254	0.010
0.228	0.009	0.304	0.012
0.254	0.010	0.355	0.014
0.279	0.011	0.355	0.014
0.304	0.012	0.406	0.016
0.330	0.013	0.457	0.018
0.335	0.014	0.457	0.018
0.381	0.015	0.508	0.020

Differential Shim Identification

D9AZ-4067-	Thickness (inches)	Paint Stripe
A	0.241	1- PURPLE
B	0.243	2- PURPLE
C	0.245	1- ORANGE
D	0.247	2- ORANGE
E	0.249	3- ORANGE
F	0.251	4- ORANGE
G	0.253	5- ORANGE
H	0.255	1- YELLOW
J	0.257	2- YELLOW
K	0.259	3- YELLOW
L	0.261	4- YELLOW
M	0.263	5- YELLOW
N	0.265	1- WHITE
P	0.267	2- WHITE
R	0.269	3- WHITE
S	0.271	4- WHITE
T	0.273	5- WHITE
U	0.275	1- GREEN
V	0.277	2- GREEN
W	0.279	3- GREEN
X	0.281	4- GREEN
Y	0.283	5- GREEN
Z	0.285	1- PINK
AA	0.287	2- PINK
AB	0.289	3- PINK
AC	0.291	4- PINK
AD	0.293	5- PINK
AE	0.295	1- BLUE
AF	0.297	2- BLUE
AG	0.299	3- BLUE
AH	0.301	4- BLUE
AJ	0.303	5- BLUE
AK	0.305	1- BLACK
AL	0.307	2- BLACK

Front Drive Axle/Differential

Front Drive Axle and Differential. Description and Operation

The front drive axle consists of: A cast-aluminum center section, a removable cast-aluminum axle housing tube and a differential housing cover...

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Rear Drive Halfshafts. Diagnosis and Testing

Preliminary Inspection

Visually inspect the CV joints, housing, boots, and clamps for obvious signs of mechanical damage.
If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step
If the cause is not visually evident, verify the symptom and REFER to Symptom Chart: NVH.