Ford Ranger Heater Control Valve Vacuum Line

A c vacuum reservoir tank and bracket.

Ford ranger heater control valve vacuum line. Vacuum control motor air inlet duct door. 13 vacuum from the engine intake manifold. A heater control valve can fail in several ways. The heater is always on.

In this video i show you step by step how to replace your heater control valve on a 1997 ford ranger v4 standard 2 3l. Since a vacuum operated valve defaults to the fully open heat on position when vacuum isn t applied a loss of vacuum is the first thing to suspect in a heat always on condition. This replacement process may be. Water diverter valve full vacuum position 17.

I pulled the dash control out and examined it but don t seem to have a problem visually. I found a broken vacuum line that goes to the coolant hoses and fixed it but it doesn t seem to fix the problem. 10 recirculated air inlet. The loss of vacuum can be caused by a break in a vacuum line or a faulty vacuum switch.

I have a ford ranger pickup 1998.