V6 Models - 3.1L: Installation

1990 Pontiac Firebird Trans Am, 5.0 F, StandardSECTION Installation

To install, reverse removal procedure. With engine off, fill radiator until level is even with base of radiator neck. Ensure air bleeds on thermostat housing and bypass pipe are tightly closed. Start engine and let idle for 5 minutes, adding coolant as necessary to maintain level. Install radiator cap. Add coolant to recovery reservoir level HOT mark.



To install, reverse removal procedure. With engine off, fill radiator until level is even with base of radiator neck. Add coolant to recovery reservoir COLD FILL mark. Start engine and let idle until upper radiator hose becomes hot. Add coolant as necessary to maintain level. Install radiator cap.

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.