SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSPONTIAC1990FIREBIRD FORMULA, 5.0 F, AUTOMATIC, 4L60/MD8REPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSA/C-HEATER SYSTEM - MANUALREMOVAL & INSTALLATIONACCUMULATOR
1990 Pontiac Firebird Formula, 5.0 F, Automatic, 4L60/MD8

Removal & Installation: Accumulator

1990 Pontiac Firebird Formula, 5.0 F, Automatic, 4L60/MD8SECTION Accumulator
  1. Disconnect negative battery cable and discharge system using approved refrigerant recovery/recycling equipment. Disconnect accumulator inlet and outlet lines. Disconnect all electrical connections. Remove pressure cycling switch (if equipped).
  2. Loosen or remove accumulator mounting bracket bolts and remove accumulator (with or without bracket as needed). Measure amount of refrigerant oil in old accumulator and discard.
  3. Add clean refrigerant oil in same amount that was drained from old accumulator plus 2 ounces. Reverse removal procedure to install. Use new "O" rings lubricated with clean refrigerant oil. DO NOT  soak "O" rings as this will cause them to expand. Evacuate and recharge system.
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.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

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

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