WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

3UZ-FE INTAKE - TORQUE SPECIFICATIONS

Part tightened		N*m	kgf*cm	ft.*lbf
Vacuum switching valve at Vacuum tank		1.4	14	12 in.*lbf
Intake air control valve at Intake manifold upper		8.5	87	75 in.*lbf
Intake air control valve at Intake manifold upper		8.5	87	75 in.*lbf
Intake manifold upper at Intake manifold lower		18	184	13
Vacuum control valve at Intake manifold lower		18	184	13
Intake manifold at Cylinder head		18	184	13
No. 2 fuel pipe at Fuel main hose	with SST	28	286	21
No. 2 fuel pipe at Fuel main hose	without SST	35	357	26
Purge VSV at Intake manifold		7.5	76	66 in.*lbf
No. 4 V-bank cover bracket at Intake manifold		7.5	76	66 in.*lbf
No. 3 V-bank cover bracket at Intake manifold		7.5	76	66 in.*lbf
No. 2 V-bank cover bracket at Intake manifold		7.5	76	66 in.*lbf
No. 1 V-bank cover bracket at Intake manifold		7.5	76	66 in.*lbf
Intake air connector pipe x	for hose clamp	4.0	41	35 in.*lbf
Intake air connector pipe x	for bolt	5.0	51	44 in.*lbf
V-bank cover at V-bank cover bracket		5.0	51	44 in.*lbf

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.

Safety Warning

Torque Specifications

Use the Manual With the Right Hardware

When to See a Mechanic

Rather have a pro handle this?