Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2005ECHO L4-1.5L (1NZ-FE)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER HEAD ASSEMBLYSYSTEM SPECIFICATIONS
2005 Toyota Echo L4-1.5L (1NZ-FE)
System Specifications
2005 Toyota Echo L4-1.5L (1NZ-FE)SECTION System Specifications
Camshaft Bearing

Install and uniformly tighten the 19 bearing cap bolts.
After tightening the No.1 camshaft bearing cap, tighten then in several passes, in the sequence shown.
Torque:
No. 1 23 Nm (235 kgf-cm, 17 ft. lbs.)
No. 2 12.7 Nm (130 kgf-cm, 10 ft. lbs.)

Cylinder Head Bolts
Using a 8 mm bi-hexagon wrench, install and uniformly tighten the 10 cylinder head bolts and plate washers, in several passes, in the sequence shown.
Torque 29.4 Nm (300 kgf-cm, 22 ft. lbs.)

Mark the front of the cylinder head bolt with paint.
Retighten the cylinder head bolts by 90° and 90° in the numerical order shown.
Check that the paint mark is now at a 180° angle to the front.
Install the bolt holding the water bypass pipe to the cylinder head.
Torque 9.0 Nm (92 kgf-cm, 80 inch lbs.)

Intake Manifold
Install a new gasket, the intake manifold and 2 brackets with the 2 bolts and 2 nuts. Uniformly tighten the bolts and nuts in several passes.
Torque 30 Nm (300 kgf-cm, 22 ft. lbs.)

Exhaust Manifold
Using a precision straight edge and feeler gauge, measure the surface contacting the cylinder head for warpage.
Maximum warpage 0.70 mm (0.0276 inch)

Install a new gasket and the exhaust manifold with the 3 bolts 2 nuts. Uniformly tighten the nuts in several passes.
Torque 27 Nm (275 kgf-cm, 20 ft. lbs.)
Install the upper heat insulator with the 4 bolts.
Torque 8.0 Nm (82 kgf-cm, 71 inch lbs.)

Exhaust Manifold Stay
Install the manifold stay with the 3 bolts. Alternately tighten the bolts.
Torque 37 Nm (377 kgf-cm, 27 ft. lbs.)

Front Exhaust Pipe To Exhaust Manifold
Install the 2 bolts and 2 springs holding the front exhaust pipe to the exhaust manifold.
Torque 62 Nm (630 kgf-cm, 46 ft. lbs.)
Install and uniformly tighten the 19 bearing cap bolts.
After tightening the No.1 camshaft bearing cap, tighten then in several passes, in the sequence shown.
Torque:
No. 1 23 Nm (235 kgf-cm, 17 ft. lbs.)
No. 2 12.7 Nm (130 kgf-cm, 10 ft. lbs.)
Cylinder Head Bolts
Using a 8 mm bi-hexagon wrench, install and uniformly tighten the 10 cylinder head bolts and plate washers, in several passes, in the sequence shown.
Torque 29.4 Nm (300 kgf-cm, 22 ft. lbs.)
Mark the front of the cylinder head bolt with paint.
Retighten the cylinder head bolts by 90° and 90° in the numerical order shown.
Check that the paint mark is now at a 180° angle to the front.
Install the bolt holding the water bypass pipe to the cylinder head.
Torque 9.0 Nm (92 kgf-cm, 80 inch lbs.)
Intake Manifold
Install a new gasket, the intake manifold and 2 brackets with the 2 bolts and 2 nuts. Uniformly tighten the bolts and nuts in several passes.
Torque 30 Nm (300 kgf-cm, 22 ft. lbs.)
Exhaust Manifold
Using a precision straight edge and feeler gauge, measure the surface contacting the cylinder head for warpage.
Maximum warpage 0.70 mm (0.0276 inch)
Install a new gasket and the exhaust manifold with the 3 bolts 2 nuts. Uniformly tighten the nuts in several passes.
Torque 27 Nm (275 kgf-cm, 20 ft. lbs.)
Install the upper heat insulator with the 4 bolts.
Torque 8.0 Nm (82 kgf-cm, 71 inch lbs.)
Exhaust Manifold Stay
Install the manifold stay with the 3 bolts. Alternately tighten the bolts.
Torque 37 Nm (377 kgf-cm, 27 ft. lbs.)
Front Exhaust Pipe To Exhaust Manifold
Install the 2 bolts and 2 springs holding the front exhaust pipe to the exhaust manifold.
Torque 62 Nm (630 kgf-cm, 46 ft. lbs.)
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.