 | Dash - The dash side arm rests and pod are all injection molded.
Porsche had problems with the early injection parts with a high number of
rejects. Creatively they solved the problem by covering the rejects with leather
offering a full leather interior. The dash and pod are are subject to
cracks and are expensive to replace. Often these are covered with covers
to hide the cracks.
(Deduct 20 points for a cracked dash and
Pod. Deduct and additional 10 points if the dash is leather and
damaged. Add 10 points for a perfect leather dash)
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 | Glove
Box - The glove box has a plastic hinge and plastic stops that can
break. The interior frocking can get dirty and messed up. If
leather, the cover can peel and shrink. It is not uncommon for
stereo equipment to be mounted in the glove box and for holes to be cut in
the back.
(Deduct 7 points for a bad glove box)
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 | Storage
Trays - On the older models there was one storage tray on the
passenger side. On the later models a storage tray was added to the
drivers side as well. These are made of plastic and can break or be
cut up for stereo equipment.
(Deduct 3 points for each missing or damaged storage
trays)
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 | Door panels - Window rattles and lock problems make the door panels
frequent targets for removal. The panels are protected by a vapor barrier
of plastic. Often when the doors are worked on the vapor barrier is
destroyed when removed and never put back on. This causes moisture to soak
into the back of the door panel and cause warping and deterioration. The
lower portion of the door panel is covered with carpet which can hide the
deterioration. The panel should be check closely for extra screws, warping
and deterioration. The arm rest is a separate part of the door
panel. The arm rest is made on a plastic base and injection molded.
It is held in place by four bolts through plastic tabs behind the arm rest and
one bolt inside the air vent. It is very common for the plastic tabs to be
broken. Often attempts are made to reinforce the tabs with washers.
Unfortunately, when one tab breaks it puts more pressure on the other tabs causing
them to fail as well. A portion of the arm rest folds out and accts as an
extended arm rest and access to a storage compartment. The compartment has
texture - frocking - on the inside that can also wear and look bad over
time. The arm rest has hinges that can break or come loose. There
are a number of small plastic parts covering the bolt and arm rest release that
often get misplaced. The arm rests can also be covered with leather.
(Deduct up to 10 points for each damaged door panel. Add 5 points for
leather arm rest in excellent condition)
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 | Window
Tracks - While not specifically an interior item the window tracks
should be checked at this point. The window runners are made of
plastic and easily wear after a few miles. Put the door window down
half way and try to rattle or move it. If it is loose the plastic
tracks need to be replaced.
(Deduct 5 points for each window that is loose)
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 | Center console - The center console is secured to the dash and
behind the shifter. It is very common for the rear attachment points to
break. Other common areas of wear are the shifter, the boot on the shifter
of the 5 speed and the plastic guide on the automatics, knobs on the ventilation
system, the housing for the temperature sensor and the rear portion of the
console. The optional center armrest is attached with a plastic hinge that
breaks. The inside of the arm rest also ages with time and often needs to
be relined. It can also be crushed when used as a seat. The rear
center console has one of three options - a glove box with a separate key lock,
no glove box and optionally a rear air conditioner.
(Deduct up to 15
points for damage to any parts of the center console. Add 5 points for
leather in excellent condition)
|
 | Carpets - The 928 has carpeting that is held in position with snaps
and hold downs and is backed with foam padding for a luxurious feel and
appearance. The backing foam and padding can deteriorate with time and use
- the same with the hold downs. The carpet should be inspected closely for
wear, fading or missing components. A caring owner will
also provide floor mats to protect the carpet. Faded carpets can be dyed
for a savings. (Deduct up 15 points for bad or worn carpeting)
|
 | Seats - Porsche offer a choice between fabric and leather
seats. By far the preference is for leather seats. Some of the early
fabric combinations can be dated - but have appeal from a collectors stand
point. The rear seats fold down for extra cargo space. The release
mechanism can break or jam. The front seats usually wear in the drivers
side bolster and the seams of passenger side lower seat bottom. Since it
is common for the car not to have a passenger the passenger seat is more prone
to sun damage. Look for discolored and dry leather. Often leather
seats that appear to be in bad condition can be restored provided they are not
torn or completely destroyed. Leather can be reconditioned, soften and
re-dyed. This is a time consuming process and recovering may be a better
option.
(Deduct 50 points for bad front seats and 30 points for bad rear
seats. Add 20 points for leather seats in excellent condition)
|
 | Miscellaneous - There a number of covers, knobs and switches all of
which can cost money and take time to replace. The sliders on the
ventilation system are very common to be broken.
(Deduct 1 point for each
broken knob, switch or door handle)
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 | Upholstery
- The upholstery around the rear windows will peal and
shrink over time. It is very common for the rear inside quarter panels to
warp severely.
(Deduct 10 points for severely damaged rear quarter panels. Add 5
points for rear quarter panels with leather in excellent condition)
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 | Tool
Kit - The back of the car contains a tool kit. The latch
for the tool kit can break as well as the plastic tool tray on the inside.
Often most or all of the tools are missing.
(Deduct 3 points for missing tools or damaged tool
kit)
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 | Spare
Tire - The collapsible spare is
stored under the rear carpet. The cover to the spare is made of clear
plastic and backed with foam. There should be a jack, air pump, plastic
bag and gloves with the spare. Inspect the remaining trend on the
spare. Somewhere in the country there is a ware house full of spare tires
and air pumps for the 928 as it is not uncommon for them not to be included with
the car - especially if it has passed through a dealers hands. Test the
air pump by plugging into the cigarette lighter.
(Deduct 2 points for a missing jack or air pump.
Deduct 5 points for a missing or worn out spare. Deduct 3 point for
a missing or damaged spare cover)
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 | Storage
Cover - The rear hatch area has a
variety of different covers options. These can vary from a snap on cover
to an automatic cover that operates with the rear hatch. Nets are often
provided.
(Deduct
5 points for a missing or damaged rear compartment cover. Add 3 points for
a folding cover that operates with the hatch in excellent shape.)
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 | Headliner and Sunroof - The motor for the sun roof is under the
rear clip on panel. It is not uncommon for the sun roof head liner to be
torn or the motor panel to be loose. Inspect the sun visors for cracks and
tears. A garage door opener clip can cause permanent damage to a sun
visor.
(Deduct up to 10 points for a damaged headliner or missing parts.)
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