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Old 12-31-2012, 08:50 AM
modelageek modelageek is offline
Ford Ranger Driver
 
Join Date: Jan 2009
Posts: 6,268
Default Re: 97 2.3 heat fluctuations

Quote:
Originally Posted by PurplePeopleEaterRanger97 View Post
Ok i have been reading through all the threads on this matter and still am stumped. As said in my sig, i have a 97 ranger 2.3l 5-speed no A/C No P/S. until last night the truck would not warm up at all so last night i pulled the t-stat and checked it and it was fine. Now to the main point. I believe that the t-stat was not seated properly because this morning while driving my gf to work the truck warmed up pretty quick but when i stopped at a light, stop sign, or parking lot, it went right back down to below c. I am thinking its the heater core but i want to make sure before i go throwing parts and money at it.
I would start by replacing the t-stat with the highest temp Motorcraft t-stat you can get. 190 degrees? {#F8CZ8575AA}?...........They need to be seated properly.......then makes sure you get all the air out and that it is topped off with coolant....These engines run kind of cool as it is...the heater core is only about $50......but ford allocates about 8 hours to do the job...the first thing you need to do is get the engine heating up properly..........Fireranger has a troubleshooting guide that is great....... http://www.fordrangerforum.com/how-s...ing-guide.html
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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).

Last edited by modelageek; 12-31-2012 at 08:54 AM.
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