'92 ranger heater core

[beachguy]

How do i check the heater core... also ..what is the replacemant procedure.. any help is appreciated

 

[dogfriend]

Check out the drawings in this thread; yours should be similar

http://www.explorerforum.com/forums/showthread.php?t=170550&highlight=heater+core

Also, you should be able to find a replacement procedure at autozone.com. Look for the DIY repair manual which is a copy of the Chilton manual.