Cylinder Head Torque and Sequence

2001 Toyota Highlander 2WD L4-2.4L (2AZ-FE)SECTION Cylinder Head Torque and Sequence

Cylinder Head

Tightening Torque
First Pass 79 Nm
Second Pass 90 Degrees

Sequence




Removal




Installation

Maximum Warpage
Cylinder Block Side 0.05 mm
Intake Manifold Side 0.08 mm
Exhaust Manifold Side 0.08 mm

Cylinder Head Bolt Length
Standard 161.3-162.3 mm
Maximum 164.2 mm

Intake Manifold
Torque 30 Nm

Camshaft Bearing Cap Torque
Front 30 Nm
Exc. Front 9 Nm

Sequence

No.1 Camshaft (Int.)




Removal




Installation

No. 2 Camshaft (Exh.)




Removal




Installation

Camshaft Sprockets
Torque 54 Nm

Exhaust Manifold
Torque 37 Nm

Sequence




Installation
RENDER: 1.0x

NO RELATED

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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.