The Jeep® was a
recognizable symbol of American fighting forces in World War II,
just as the “Huey” helicopter was an iconic symbol of Vietnam.
Just about anyone who cares about machines on wheels – and that
should include everyone reading this – has probably heard that
the name Jeep was derived from the initials, G.P., initials for
“general purpose.” That explanation has been repeated so many
times that hardly anyone questions it.
Originally, the U.S. Army approached more than 130 companies
requesting prototypes of a four-wheel drive vehicle. Ultimately,
only American Bantam, Willys-Overland and Ford® became
involved in development of the classic World War II Jeep. Ford’s
entry carried the label GPW, but not because it stood for general
purpose. The G stood for government, the P was a wheelbase
designation and W meant it was powered by a Willys engine. The
Willys-Overland design was selected, and although its parent
company has changed a few times, the Jeep nameplate has outlived
many other long-established makes.
One theory is that military Jeeps were informally named
after Eugene the Jeep, a strange little animated animal in early
cartoons who could magically disappear and reappear at will. You
can check out Popeye and Eugene the Jeep on YouTube®.
Wikipedia, the current authority on just about anything, past or
present, says that the term jeep was used as early as 1914. The
website quotes “Words of the Fighting Forces” by Clinton A.
Sanders (a 1942 dictionary of military slang) to offer this
alternative origin of the term:
“Jeep: A four-wheel drive vehicle of one-half-
to one-and-one-half-ton capacity for reconnaissance or other army
duty. A term applied to the bantam-cars, and occasionally to
other motor vehicles… Also referred to as ‘any small plane,
helicopter, or gadget’.”
Regardless of the origin of the name, several models of Jeep are
familiar sights on the road and, consequently, also in collision
shops. The Jeeps of today (Cherokee, Grand Cherokee®,
Wrangler®) are a
far cry from their bare bones military ancestors. Pretty much the
only option back then was a machine gun. But we’re not just
talking comfort features, electronics and air bags. Let’s talk
about bumpers. The bumpers on a 1940’s army jeep were a solid
piece of flat steel, today’s bumpers are multi-component
“systems.” They do a great job, but, like every aspect of today’s
vehicles, they are complex.
Currently, one of the most researched collision procedures in the
database is the removal and installation of the front bumper on
the 2014 Jeep Grand Cherokee®. Why is that? Well, in order to
service the new Grand Cherokee grille, you have to remove the
front bumper fascia. Unless you’ve done your homework upfront,
your technicians will suddenly realize that in order to remove
the bumper fascia, there are a lot of fasteners involved – on
top, underneath and even plastic rivets in the wheel wells. By
the way, did you order those plastic rivets in your parts order?
One more thing, if the vehicle is equipped with an adaptive
cruise control, the sensor is located behind the bumper
fascia. According to Chrysler, “The adaptive speed control sensor
(also known as the Adaptive Cruise Control/ACC sensor or module,
or the radar sensor or module) requires alignment whenever the
ACC sensor is removed and reinstalled, whenever front end
structural repairs are performed or whenever a Diagnostic Trouble
Code (DTC) indicates ACC sensor adjustment is required.”
For an efficient, safe and accurate repair, OEM information is
essential. This procedure is published here for general
information only and is not the entire article, which includes
several detailed diagrams. A representative OEM image is
included. Here’s an excerpt from OEM information:
Fascia, Front — Removal
Remove the plastic rivets at each wheel well that secure the
flares to the fascia.
Release the clips and partially remove both front fender
Remove the fasteners that secure the wheel liners to the
Remove the 1/4 turn fasteners and separate the lower wheel
liner from the fascia.
Remove the four lower retainers (4).
Release the integral latches at the wheel well openings (2)
and the radiator grille assembly.
Disconnect the fog lamp electrical connectors, if equipped
Remove the fascia assembly (1).
Fascia, Front — Installation
Position the front fascia and connect the fog lamp electrical
connectors, if equipped.
Install the fascia, locking the integral latches at the
radiator grille assembly and at the wheel well openings.
Install the four lower retainers.
Install the fasteners that secure the wheel liners to the
Position the front fender flares and press in place, engaging
the retaining clips.
Install new plastic rivets to secure the fender flares.
Install the 1/4 turn fasteners and secure the lower wheel
liner to the fascia.
NOTE: This repair/service information is
excerpted from information published by the vehicle manufacturer,
and intended for the purpose of promoting OE collision repair
information to trained, professional technicians with the
knowledge, tools and equipment to do the job properly and safely.
Before attempting any repairs described, refer to the complete
article in ALLDATA Collision. It is recommended that these
procedures not be performed by “do-it-yourselfers.”