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1990-2000 Lexus LS 400 Valve Seals Torque Specs

4.0L V8

Applies to 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, and 2000 Lexus LS 400

Labor Time:8 hours
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πŸ”§ Torque Values10 specifications

Componentlb-ftNmNotes
⚠️
1014Tighten in sequence from center outward, multiple passes
1419β€”
⚠️
1723β€”
2331β€”
⚠️
4055β€”
⚠️
2230Tighten with cam lobe pointing away
1825Tighten evenly in sequence
912β€”
1520Apply anti-seize to threads
710Tighten in sequence
⚠️ = Critical torque value | Always verify with vehicle-specific service manual
⚠️ Some critical specs are estimated. Please verify sequence.

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Common Questions

What is the torque spec for valve seals on a 1990-2000 Lexus LS 400?

The primary torque specification for valve seals on a 1990-2000 Lexus LS 400 is 14 Nm (10 lb-ft). Note: Tighten in sequence from center outward, multiple passes

How many torque specs are there for Lexus LS 400 valve seals?

There are 10 torque specifications for valve seals on the 1990-2000 Lexus LS 400 4.0L V8, covering all related fasteners and components.

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