AX4N 1998 Ford Taurus & Mercury Sable 3.0L FWD – Remanufactured 4-Speed Automatic Trans

Description

When municipal fleet sedans navigate gridlocked metropolitan centers, a 2.77:1 low gear ratio and 220 PSI line pressure maintain positive forward movement. The Ford Taurus AX4N Remanufactured Transmission equips 1998 Ford Taurus and Mercury Sable 3.0-liter front-wheel platforms. Updated electro-hydraulic solenoids prevent transmission hunt during constant low-speed stop-and-start operations.

A thick A380 die-cast aluminum housing encases ductile iron planetary carriers and micro-finished steel sun shafts. Sonnax hard-anodized sleeves line hydraulic valve bores to stop cross-circuit pressure loss. Featuring 3/8-inch inverted flare cooler connections, this 205-pound four-speed unit holds 12.2 quarts of fluid and attaches flush to vehicle chassis subframes without custom fabrication.

Key Features of Ford Taurus AX4N

Fleet operators looking to buy Ford Taurus AX4N remanufactured transmission inventory gain dyno-tested powertrain hardware ready for severe service. Upgraded hydraulic circuits eliminate common shift slips and prevent friction plate glazing under load.

• Carbon-metallic clutch frictions resist slippage and prevent heat glazing under elevated fluid temperatures
• Sonnax valve sleeves seal regulator circuits to maintain a constant 220 PSI hydraulic line pressure
• Linear electro-hydraulic shift solenoids react in 45 milliseconds for quick gear changes
• Dynamic balancer systems verify torque converter balance to within 0.04 gram-inches to stop vibration
• Case-hardened planetary pinion gears distribute tooth contact pressure during sudden acceleration
• Precision-ground steel reaction plates hold true flatness under severe friction clamp forces
• Remanufactured AX4N automatic transmission valve modules undergo strict vacuum decay tests on every port
• High-temperature fluoroelastomer casing gaskets stop fluid weeping around dynamic sealing joints

Fluid Pressure Thermal Dynamics

Line pressure operates across a controlled span from 60 PSI idle pressure up to 220 PSI under maximum engine load. Continuous input torque ratings handle 200 lb-ft at 4,000 RPM in severe commercial fleet service. Internal mechanical gear ratios offer 2.77:1 first, 1.54:1 second, 1.00:1 third, and 0.69:1 fourth overdrive. Auxiliary fluid coolers dissipate 19 kW of heat, holding operating temperatures between 165°F and 188°F.

CV Axle Spline Dimensions

The internal differential provides 28-spline output hubs that engage factory CV joint axle shafts without binding. The heavy-duty park pawl gear system withstands 1,450 lb-ft of holding torque on steep parking grades. Differential output runout tolerance measures under 0.0014 inches dial indicator runout, keeping vehicle propulsion steady across all speed ranges.

TCM Adaptive Relearn Sequence

Technicians must initiate diagnostic TCM adaptive shift programming after installation to ensure smooth clutch engagement profiles. This transmission unit is not engineered for competitive track racing, extreme vehicle speed runs, or towing trailers exceeding manufacturer gross vehicle weight ratings.

• Inspect fluid level and wipe metallic particles from the drain plug every 30,000 miles
• Drain fluid sump and add fresh synthetic transmission oil every 12 months
• Flush the transmission cooling circuit and inspect all line connections every 24 months

Commercial Warranty Crate Manifest

Supplied with a comprehensive 3-Year / 100,000-Mile commercial fleet warranty, this drivetrain delivers verified commercial durability. The heavy shipping box contains the remanufactured transmission unit, balanced torque converter, replacement cooler line crush washers, detailed installation manual, and dyno test printout.