Engine Coolant Temperature Sensor: Installation

2004 Acura 3.5RLSECTION Installation
  1. Install and tighten ECT sensor. When refilling cooling system, open air bleed bolt located on coolant pipe on engine, near upper radiator hose.
  2. Fill cooling system until coolant flows from air bleed bolt. Tighten air bleed bolt to specification. See TORQUE SPECIFICATIONSΒ  . Finish filling cooling system.
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.