2004 Ford E250 V8 54L SOHC Intake Manifold Service and Repair - Part 1 of 2
4. Install the thermostat.
1. Install the thermostat.
2. Install a new O-ring seal.
5. NOTE: The thermostat housing bolts are tightened in sequence with the intake manifold bolts.
Loosely install the thermostat housing and bolts.
6. Tighten the bolts in two stages, in the sequence shown.
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Stage 1: Tighten to 2 Nm (18 inch lbs.).
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Stage 2: Tighten to 25 Nm (18 ft. lbs.).
