Thermostat question
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New User
Joined: Jan 2003
Posts: 1
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Thermostat question
I have a 96 4.0 aerostar, once I reach operating temperature my thermostat fluctuates from just above cold to colder it never reaches the center of the gauge Winter or Summer. Is the thermostat easy to change. Or does anyone have any other idea?
cold in the northeast...
cold in the northeast...
Postmaster
Joined: Apr 2001
Posts: 3,818
Likes: 3
Thermostat question
Ease of change is relative to how you want to approach it. On the 4.0 the outlet housing the thermostat is directly behind the alternator. You can change out the thermostat without removing the alternator but the access to the three outlet cover bolts is very limited. Drain off 2 quarts of coolant beforehand and remember to pick up a new o-ring gasket with the new thermostat. There are several heat ranges available for this engine. I currently use a 195 degree thermostat and the gauge reads about the "N" in NORMAL.
Freshman User
Joined: Jan 2003
Posts: 31
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From: in a house
Thermostat question
Hi i got a 92 van with 4.0 engine it will not get hot in there its got dual heat to.You could try a new raditor cap if they dont seal good they will lose pressure just my 2 cents
