Chrysler Corp. M400, 500 & 600

1977 Chevrolet Hi-Cube 4.8L Eng VIN T, Standard TransSECTION Chrysler Corp. M400, 500 & 600
  1. Fill pump reservoir with Hydroboost power steering fluid and allow fluid to remain undisturbed for two minutes. Start and run engine for ten seconds. Check fluid level and add fluid, if necessary. Repeat this procedure until fluid level remains constant. Raise front of vehicle until tires are clear of ground.
  2. Start engine and run at 1500 RPM. Apply and release brake pedal several times while turning steering lightly to stops in both directions. Turn off engine and check fluid level, top up if necessary. Lower vehicle, run engine at 1500 RPM and again cycle brakes and steering several times. Turn off engine and recheck fluid level, top up if necessary. If fluid is very foamy, allow vehicle to stand for one hour with engine off. If fluid is low, repeat bleeding process.
RENDER: 1.0x

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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.