Skip to content

Mercury Mountaineer

Maintenance specs for 6 variants of the Mercury Mountaineer — from 1997 to 2010.

19972001 Mercury Mountaineer

4.0L V6 SOHC (Cologne SOHC) · RWD

160 hp / 225 lb-ft

Engine Oil

Weight5W-30
Capacity5 qt
FilterFL-820-S

Transmission

Type5-Speed Automatic (5R55E)
FluidMercon ATF
Drain & fill3.5 qt
Full capacity11 qt

Coolant

TypeGreen Conventional
Capacity13 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeRecirculating Ball
FluidFord Power Steering Fluid
Capacity16 oz

Differentials

Rear fluid80W-90 GL-5

Fuel

Tank21 gal
TypeRegular 87

Tires

SizeP235/70R15
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop P235/70R15 tires

Battery

Group size65
CCA550 A
Shop group 65 battery

Spark Plugs

Gap0.054 in
Shop spark plugs

Wiper Blades

Driver20"
Passenger20"
Rear14"
Shop wiper blades

Service Intervals

Oil change5,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Brake fluid30,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Drive belt60,000 mi

19972001 Mercury Mountaineer

5.0L V8 (302) · AWD

210 hp / 280 lb-ft

Engine Oil

Weight5W-30
Capacity5 qt
FilterFL-820-S

Transmission

Type4-Speed Automatic (4R70W)
FluidMercon ATF
Drain & fill3 qt
Full capacity13.9 qt

Coolant

TypeGreen Conventional
Capacity14 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeRecirculating Ball
FluidFord Power Steering Fluid
Capacity16 oz

Differentials

Front fluid80W-90 GL-5
Rear fluid80W-90 GL-5

Transfer Case

FluidMercon ATF

Fuel

Tank21 gal
TypeRegular 87

Tires

SizeP235/70R15
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop P235/70R15 tires

Battery

Group size65
CCA650 A
Shop group 65 battery

Spark Plugs

Gap0.054 in
Shop spark plugs

Wiper Blades

Driver20"
Passenger20"
Rear14"
Shop wiper blades

Service Intervals

Oil change5,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Brake fluid30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Drive belt60,000 mi

20022005 Mercury Mountaineer

4.0L V6 SOHC (Cologne SOHC) · RWD

210 hp / 254 lb-ft

Engine Oil

Weight5W-30
Capacity5 qt
FilterFL-820-S

Transmission

Type5-Speed Automatic (5R55W)
FluidMercon V ATF
Drain & fill3.5 qt
Full capacity11 qt

Coolant

TypeYellow HOAT (Motorcraft Premium Gold)
Capacity13 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeRecirculating Ball
FluidFord Power Steering Fluid (XT-2-QDX)
Capacity16 oz

Differentials

Rear fluid80W-90 GL-5

Transfer Case

FluidMercon ATF

Fuel

Tank22.5 gal
TypeRegular 87

Tires

SizeP235/70R16
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop P235/70R16 tires

Battery

Group size65
CCA550 A
Shop group 65 battery

Spark Plugs

Gap0.054 in
Shop spark plugs

Wiper Blades

Driver22"
Passenger19"
Rear14"
Shop wiper blades

Service Intervals

Oil change5,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Brake fluid30,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter15,000 mi
Drive belt60,000 mi

20022005 Mercury Mountaineer

4.6L V8 (Modular) · AWD

239 hp / 282 lb-ft

Engine Oil

Weight5W-20
Capacity6 qt
FilterFL-820-S

Transmission

Type5-Speed Automatic (5R55W)
FluidMercon V ATF
Drain & fill3.5 qt
Full capacity13.9 qt

Coolant

TypeYellow HOAT (Motorcraft Premium Gold)
Capacity16 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeRecirculating Ball
FluidFord Power Steering Fluid (XT-2-QDX)
Capacity16 oz

Differentials

Front fluid75W-140 Synthetic GL-5
Rear fluid75W-140 Synthetic GL-5

Transfer Case

FluidMercon ATF

Fuel

Tank22.5 gal
TypeRegular 87

Tires

SizeP235/70R16
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop P235/70R16 tires

Battery

Group size65
CCA650 A
Shop group 65 battery

Spark Plugs

Gap0.054 in
Shop spark plugs

Wiper Blades

Driver22"
Passenger19"
Rear14"
Shop wiper blades

Service Intervals

Oil change5,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Brake fluid30,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter15,000 mi
Drive belt75,000 mi

20062010 Mercury Mountaineer

4.0L V6 SOHC (Cologne SOHC) · RWD

210 hp / 254 lb-ft

Engine Oil

Weight5W-30
Capacity5 qt
FilterFL-820-S

Transmission

Type5-Speed Automatic (5R55S)
FluidMercon V ATF
Drain & fill3.5 qt
Full capacity11 qt

Coolant

TypeYellow HOAT (Motorcraft Premium Gold)
Capacity13 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeRecirculating Ball
FluidFord Power Steering Fluid (XT-2-QDX)
Capacity16 oz

Differentials

Rear fluid80W-90 GL-5

Fuel

Tank22.5 gal
TypeRegular 87

Tires

SizeP235/70R16
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop P235/70R16 tires

Battery

Group size65
CCA550 A
Shop group 65 battery

Spark Plugs

Gap0.054 in
Shop spark plugs

Wiper Blades

Driver22"
Passenger19"
Rear14"
Shop wiper blades

Service Intervals

Oil change7,500 mi
Trans service30,000 mi
Coolant flush30,000 mi
Brake fluid30,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter15,000 mi
Drive belt75,000 mi

20062010 Mercury Mountaineer

4.6L V8 (Modular) · AWD

292 hp / 315 lb-ft

Engine Oil

Weight5W-20
Capacity6 qt
FilterFL-820-S

Transmission

Type6-Speed Automatic (6R60)
FluidMercon SP ATF
Drain & fill3.5 qt
Full capacity13.9 qt

Coolant

TypeYellow HOAT (Motorcraft Premium Gold)
Capacity16 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeRecirculating Ball
FluidFord Power Steering Fluid (XT-2-QDX)
Capacity16 oz

Differentials

Front fluid75W-140 Synthetic GL-5
Rear fluid75W-140 Synthetic GL-5

Transfer Case

FluidMercon SP ATF

Fuel

Tank22.5 gal
TypeRegular 87

Tires

SizeP235/70R16
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop P235/70R16 tires

Battery

Group size65
CCA650 A
Shop group 65 battery

Spark Plugs

Gap0.054 in
Shop spark plugs

Wiper Blades

Driver22"
Passenger19"
Rear14"
Shop wiper blades

Service Intervals

Oil change7,500 mi
Trans service30,000 mi
Coolant flush30,000 mi
Brake fluid30,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter15,000 mi
Drive belt75,000 mi