Question about 1998 Ford F150 Regular Cab
Posted by Anonymous on
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Posted on Jan 02, 2017
the heater bypass is quite simple, if you look at the firewall you will see two medium sized coolant lines, remove them from the firewall and link them together using a proper sized tube, you can purchase a kit at a parts store quite cheaply
Posted on Oct 11, 2008
There is no short cut or fast way to do this. The dash has to come out to access the heater box and replace the core. So the steps in replacing the heater core are to disconnect the heater hoses, remove the dash, to access the heater corecover on the front of the heater case and replace the core. Reassembly is in the reverse order as disassembly. Fill the cooling system with new coolant, and burp the air form the cooling system.
http://my.voyager.net/~sscully/F-15097H ... xp_002.doc
Go to the above link and download the detailed procedure with diagrams for the same replacement procedure.
Posted on Nov 04, 2009
It is in the owners manual
If you did not get an owners manual with your truck ( purchased used ), you can download one from Ford :
For the 1998 MY truck, I suggest also downloading the 1997 MY owners manual. On page 142 of the 1997 owners manual is a picture of the mini engine fuse panel, which has 2 fuses in it. Every revision of the 1998 owners manual that I have seen, does not include this info, for some reason.
Also, the aux relay box is documented poorly here is a layout of what is in it, and the engine mini fuse panel showing the PCM KAM ( Keep Alive Memory ) and the trailer tow parking lamp fuse.
Might want to do a save as on this, so you have it, in case you need it.
Posted on Dec 11, 2009
SOURCE: 1988 ford F150 vacuum hoses
Always refer first to the factory vacuum diagram sticker affixed
under the hood...
1988 Ford Truck F150 1/2 ton P/U 2WD 4.9L FI 6cyl
Fig. : Vacuum diagram-1987 F-Series, all engines
Hope this solve it (remember comment and rated this).
Posted on Apr 23, 2010
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