High-Altitude Kit

1985 Subaru GL 4D Sedan, 1.8 5, StandardSECTION High-Altitude Kit

When principally operating the vehicle at altitudes above 4000 feet (1200 m), the emission control system requires minor modification to meet the emission control standards at high-altitude.

NOTE: When installing a high-altitude kit, refer to manufacturer's instructions supplied with the kit.

When a vehicle modified to high-altitude specifications is principally used at altitudes below 4000 feet (1200 m), the emission control system must be remodified to the original specifications.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.