Ford LSG 875 — Thermostat Replacement
Maintenance · Cooling system thermostat and water outlet housing
For the Ford LSG 875, from the Ford service manual.
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Procedure
- Drain cooling system so coolant level is below the thermostat.
- Remove water outlet housing retaining bolts; bend upper hose upward and remove thermostat and gasket.
- Clean water outlet housing gasket surfaces; coat new gasket with water-resistant sealer.
- Install thermostat with copper pellet or element toward the engine and flange in the recess.
- Install water outlet housing and torque retaining bolts to specifications.
- Fill and bleed cooling system, operate engine to normal temperature, check coolant level and leaks.
Specs & values
- Water outlet housing torque 14-20 Amazon eBay FridayParts $49.99 N·m (10-15 FridayParts $30.67 ft-lb)
- Thermostat opens 157-164 degrees F, fully open 184 degrees F
Source: Ford service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.