20 Most Recent 1999 Ford F150 Regular Cab - Page 4 Questions & Answers

Of course, if they won't come out cold warm the engine a little but not too much. When you install them use a little Champion spark plug lube or sensor safe anti seize compound OR take it to someone who has the required expertise. If they are already seized from previous improper installation you will have trouble.

The simplest way to see if the charging system is OK, is to turn the truck off. Check the voltage at the battery with a volt meter. It should be around 12-12.5Vdc. Start up the truck, the voltage should be 1-1.5V higher. Alternator is "probably" OK. If in doubt, remove the alternator and take it to AutoZone, and have it checked.

A screwprolly in handgrip area and door latch..all else held by plastic tabs..be careful prying them apart so u don't break them

Check your coolant level.

The fuse panel under the dash, and the GEM module are one in the same.

Should be on the thermostat housing ,where top hose connects from radiator.

The problem is the transmission is loosing pressure, when the engine is reved the transmission pump replenishes that pressure and the transmission re-engages. Here are the most obvious reasons:1) Low tranny fluid.2) Dirty filter slowing flow of fluid in the tranny.3) From there it gets complicated and expensive but basically something in the tranny is started to let go and the fragments are clogging the system and/or filter; in that case you are looking at a potential major overhaul of your tranny.I would check the fluid level first, assuming it's up I would drain the pan and check the filter-pay close attention to whats in the fluid-are there chunkies or anything other than clean fluid? Check and change the filter. Unless it's just low fluid the chances are pretty good it's serious.

I had a ford torino that did that years ago and it ended up being the starter as the problem