1998 Mercury Mountaineer 5.0 engine

MOTORCRAFT PART NUMBERS
Component 4.0L SOHC engine 5.0L engine
Air filter FA-1658 FA-1658
Fuel filter FG-872 FG-872
Battery (standard) BXT-65-650 BXT-65-650
Battery (optional) - BXT-65-850
Oil filter FL-1A FL-820S
PCV valve EV-225 EV-152
Spark plugs* AGRF-22P AWSF-32EE
* Refer to Vehicle Emissions Control Information (VECI) decal for
spark plug gap information.
REFILL CAPACITIES
Fluid Ford Part
NameApplication
Capacity
Engine oil
(including filter
change)Motorcraft 5W30
Super Premium
Motor OilAll
4.7L
(5.0 quarts)
Brake fluid Ford High
Performance
DOT 3 Brake
FluidAll
Fill to the MAX
line on reservoir
Power steering
fluidMotorcraft
MERCONtAT FAll Fill to line on
reservoir
Capacities and specifications
204

Fluid Ford Part
NameApplication
Capacity
Transmission
fluidMotorcraft
MERCONtV
AT F4R70W
Automatic with
5.0L engine
(AWD)13.1L
(13.9 quarts)
5R55E
Automatic with
4.0L SOHC
engine (4x2)9.25L
(9.75 quarts)
5R55E
Automatic with
4.0L SOHC
engine (4x4)9.55L
(10.0 quarts)
Transfer case Motorcraft
MERCONtAT FAWD 1.25L
(1.3 quarts)
4WD 1.4L
(1.5 quarts)
Engine coolant Ford Premium
Cooling System
Fluid4.0L engine 7.4L
(7.8 quarts)
5.0L engine 12.1L
(12.8 quarts)
Front axle fluid Motorcraft
80W90 Axle
LubricantAll
1.7L (3.5 pints)
Rear axle
fluid
1,2,3,4Motorcraft SAE
80W90 Axle
LubricantVehicles with
conventional
axles
2.9-3.1L
(5.50-5.80 pints) Motorcraft SAE
75W140 High
Performance
Synthetic Rear
Axle LubricantRefer to
footnotes 2 and
3
Capacities and specifications
205

Fluid Ford Part
NameApplication
Capacity
Windshield
washer fluidUltra-Clear
Windshield
ConcentrateAll vehicles
2.6L
(2.7 quarts)
1Fill to 6 mm to 14 mm (1/4 inch
to 9/16 inch) below bottom of fill
hole.
2Your vehicle's rear axle is
equipped with synthetic rear axle
lubricant. Rear axles containing
synthetic lubricant are lubricated
for life. These lubricants are not to
be checked or changed unless a
leak is suspected, service required
or the axle assembly has been
submerged in water. The axle
lubricant should be changed any
time the axle has been submerged
in water. For Traction±Lok add
118 ml (4 oz.) of additive friction
modifier C8AZ±19B546±A, Ford
specification EST-M2C118±A, to
your rear axle whenever the
lubricant is changed.
3Vehicles equipped with 4.0L
SOHC engines and 3.73 or 4.10
rear axle ratios or 5.0L engines
require synthetic rear axle
lubricant. Rear axles containing
synthetic lubricant are lubricated
for life. These lubricants are not to
be checked or changed unless a
leak is suspected, service required
or the axle assembly has been
submerged in water. The axle
lubricant should be changed any
time the axle has been submerged
in water. For Traction-Lok rear
Capacities and specifications
206

applications must add 118ml
(4 oz.) of additive friction modifier
C8AZ-19B546±A, Ford specification
EST-M2C118±A to the rear axle
whenever the axle has been
serviced.
ENGINE DATA
Engine 5.0L engine 4.0L SOHC engine
Cubic inches 302 245
Horsepower 215 @ 4200 rpm 205 @ 5000 rpm
Torque 288 lbs.ft. @ 3300 rpm 250 lb. ft. @ 3000 rpm
Required fuel grade 87 octane 87 Octane
Firing order 1-3-7-2-6-5-4-8 1-4-2-5-3-6
Spark plug gap 1.3 mm-1.4 mm
(0.052-.056 inch)1.3 mm-1.4 mm
(0.052-.056 inch)
Ignition system EDIS EDIS
Compression ratio 9.0:1 9.7:1
VEHICLE DIMENSIONS
Dimensions mm (in.)
(1) Overall length 4 788 (188.5)
(2) Overall width 1 783 (70.2)
(3) Maximum height 1 725 (67.9)
(4) Wheelbase 2 835 (111.6)
(5) Front track/ rear 1 486/1487 (58.5/58.5)
Capacities and specifications
209

Recommended fuel Unleaded fuel only - 87 octane
Fuel tank capacity 79.5L (20.8 gallons)
Engine oil capacity (with filter
change)4.7L (5.0 quarts). Use Motorcraft
5W30 Super Premium Motor Oil,
Ford Specification WSS-M2C153-G
Tire size and pressure See Safety Compliance
Certification Label on inside of
driver door.
Hood release Pull handle under the left side of
the instrument panel
Coolant capacity-(4.0L engines) 7.4L (7.8 quarts)
Coolant capacity (5.0L engines) 12.1L (12.8 quarts)
Power steering fluid capacity Fill to line on reservoir or dipstick
Automatic transmission fluid
capacity (4R70W transmission)
(5.0L engines only)13.1L (13.9 quarts)
Automatic transmission fluid
capacity (4x2 vehicles with 5R55E
transmission and 4.0L SOHC
engine)9.25L (9.75 quarts)75 quarts)
Automatic transmission fluid
capacity (4x4 vehicles with 5R55E
transmission and 4.0L SOHC
engine)9.5L (10.0 quarts)
Filling station information
216