engine
Valve Spring - Single Torque Specs
for 1997 Toyota 4Runner 2.7L I4 · 4WD
Units
13 fasteners
Seq
Component
Torque
Angle
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Cover Bolts
13 lb-ft · 18 Nm
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Cover Bolts
13 lb-ft · 17 Nm
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Electrical Connector Bolts
5 lb-ft · 7 Nm
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Gasket Bolts
Critical16 lb-ft · 21 Nm
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Gasket Surface Bolts
CriticalClean mating surfaces
16 lb-ft · 22 Nm
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Mounting Bolts
Critical37 lb-ft · 50 Nm
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Mounting Bolts
21 lb-ft · 28 Nm
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Mounting Bolts
Critical37 lb-ft · 50 Nm
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Rocker Arm Bolts
CriticalTighten with cam lobe pointing away
22 lb-ft · 30 Nm
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Sensor Bolts
8 lb-ft · 11 Nm
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Sensor Mounting Bolts
8 lb-ft · 11 Nm
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Spark Plugs - Aluminum Head
CriticalApply anti-seize to threads
15 lb-ft · 20 Nm
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Valve Cover Bolts
Tighten in sequence
7 lb-ft · 10 Nm
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