Automotive FAQ

Question:
Consider a vehicle of axle-to-axle length L, and left to right wheel separation W (though I don’t believe this matters).
Assume a X-Y co-ordinate plane, the origin located at the center of the rear axle.
What is the car’s forward trajectory, if the front wheels rotate left at angle U? What is its reverse trajectory? What if [...]

Question:
I bought a full size Bronco new back in 1995.  Darned thing came with tires that visually seemed too small for the vehicle. General Grabbers….they worked OK, just looked like hell. Huge truck with these little tiny tires inside huge wheel wells.
Anyway, they finally wore out enough to warrant replacement and today I went tire [...]

Question:
There is no big difference between a standard and automatic transmission where 4WD is concerned.  It is likely that your Bronco was to blame in itself and not the automatic transmission.
Answer:
We have a 1995 F-150 Ford with a standard trans. It seems to work great in 4WD and we are thinking of trading it for [...]

Question:
Here’s an update: Part 3
part throttle pinging & pcv valve chattering at idle
1995 Bronco 351W + E4OD –50K miles
kenne bell supercharger 6.5psi  –2K miles
autolite copper core 23 (1 range cooler than stock .035″ gap — per kenne
bell instructions)
new pcv valve
EGR valve checks out OK (holds vacuum, seats completely with no vacuum,
seated at idle, opens [...]

Question:
I own a 1990 Bronco with 5.0L and ~120K miles.  Recently, I have noticed a detonation problem when the truck is under a light load (climbing a hill etc.)  Since I first noticed the problem I started using premium fuel, but
that didn’t help.  Next I checked and readjusted the inital timing back to 10 degrees [...]

Question:
help please my truck will turn over but will not start. I have noticed the fuel pump will cut on and will not cut off.  fooling around with it I have noticed that sometimes even when I turn the key off the pump will still run.  no matter how long I keep the key on [...]

Question:
The Interior lights and the Door chome comes on when I press on  the gas. Can any one tell me if it a common problem and, Is it a problem with the switch or is it a short in the wiring?If you can hepl please E-mail me a
Answer:
Never heard of this problem before. Check your [...]

Question:
I have a problem with the air conditioning in my 1990 Ford Bronco II. In short, it doesn’t work, and I am thinking it needs to be recharged.
I realize that CFC-12 is no longer produced, but have conflicting information on whether suppliers can still service CFC-12 systems.
Does anyone know if these old a/c systems can [...]

Question:
Is anyone aware of problems with the paint on a 1990 Ford Bronco?  Our silver Bronco’s paint is wearing off in an unnatural way.
Has anyone else experienced this problem or know about any litigation?
Answer:
My boyfriend recently received a note from the dealer where he bought his 1990 Ford Bronco.  The note said to bring in [...]

Question:
I owned a 89 F250 with the Diesel engine and the Dana 50 front axle.  (Dana 44 with bigger bearings).  Walt is right, they are not very strong if you intend to do serious four wheeling.  I broke two axles, one differential and various other parts.  Most breakages occurred in low gear low range with [...]