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Home >> Ford >> 2009 >> F 150 4WD V8-4.6L VIN 8 >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Timing Components >> System Specifications
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System Specifications

Timing Chain Tensioner

LH





Position the LH timing chain tensioner arm on the dowel pin and install the LH timing chain tensioner and bolts.
- Tighten to 10 Nm (89 lb-in)

RH





Position the RH timing chain tensioner arm on the dowel pin and install the RH timing chain tensioner and bolts.
- Tighten to 10 Nm (89 lb-in)

Crankshaft Pulley
Using a new crankshaft pulley bolt, install the bolt and washer and tighten the bolt in 4 stages.
- Stage 1: Tighten to 90 Nm (66 lb-ft)
- Stage 2: Loosen 360 degrees
- Stage 3: Tighten to 50 Nm (37 lb-ft)
- Stage 4: Tighten an additional 90 degrees

Timing Cover









Tighten the 15 engine front cover fasteners in the sequence shown in 2 stages.
- Stage 1: Tighten fasteners 1 through 15 to 25 Nm (18 lb-ft).
- Stage 2: Tighten fasteners 6 and 7 to 48 Nm (35 lb-ft)





Loosely install the 4 bolts, then tighten the bolts in 2 stages, in the sequence shown.
- Stage 1: Tighten to 20 Nm (177 lb-in)
- Stage 2: Tighten an additional 60 degrees

Variable Camshaft Timing (VCT) Housing

RH VCT housing





Position the RH VCT housing and install the 2 bolts.
- Tighten to 10 Nm (89 lb-in)

LH VCT housing





Position the LH VCT housing and install the 2 bolts.
- Tighten to 10 Nm (89 lb-in)