1997 CADILLAC DEVILLE engine

Downloaded from www.Manualslib.com manuals search engine Replacing Brake System Parts
The braking system on a modern vehicle is complex. Its
many parts have to be of top quality and work well
together
if the vehicle is to have really good braking.
Your vehicle was designed and tested with top-quality
GM brake parts. When you replace parts of your braking
system
-- for example, when your brake linings wear
down and you have to have new ones put in
-- be sure
you get new approved
GM replacement parts. If you
don’t, your brakes may no longer work properly. For
example, if someone puts in brake linings that are wrong
for your vehicle, the balance between your front and
rear brakes can change
-- for the worse. The braking
performance you’ve come
to expect can change in many
other ways if someone puts in the wrong replacement
brake parts.
Battery
Every new Cadillac has a Delco Freedom@ battery. You
never have to add water to one
of these. When it’s time
for a new battery, we recommend a Delco Freedom
battery. Get one that has the replacement number shown
on the original battery’s label.
Vehicle Storage
If you’re not going to drive your vehicle for 25 days
or more, take off the black, negative
(-) cable from
the battery.
This will help keep your battery from
running down.
Batteries have acid that can burn you and gas
that can explode. You can be badly hurt if you
aren’t careful. See “Jump Starting” in the Index
for tips
on working around a battery without
getting hurt.
Contact your dealer to learn how to prepare your vehicle
for longer storage periods.
Also, for your audio system, see “Theft-Deterrent
Feature” in the Index.
6-30

Downloaded from www.Manualslib.com manuals search engine Bulb Replacement
For any bulb changing procedure not listed in this
section, contact your Cadillac dealer service department.
Halogen Bulbs
I A CAUTION:
I
- 1
Halogen bulbs have pressurized gas inside and
can burst if
you drop or scratch the bulb. You or
others could be injured. Be sure to read and
follow the instructions on the bulb package.
Headlamps
1. To access the headlamps, lift the cover as shown.
6-3 1

Downloaded from www.Manualslib.com manuals search engine A
2. Turn the headlamp housing socket counterclockwise
to unlock the socket from the lamp housing. 3. Disconnect the socket from the harness by separating
the locking
clip.
4. Install the new bulb and socket to the wiring harness
connector. Make sure that the harness is locked to the
bulb socket.
6-32

Downloaded from www.Manualslib.com manuals search engine 5. Reinstall the headlamp housing socket back into the
headlamp assembly.
Headlamp Aiming
Your vehicle has the 55 x 135 mini-quad headlamp
system. These headlamps have horizontal and vertical
aim indicators. The aim has been pre-set at the factory
and should need
no further adjustment.
If your vehicle is damaged in an accident and the
headlamp aim seems to be affected, see your
Cadillac dealer. Headlamps
on damaged vehicles
may require recalibration of the horizontal aim by
your Cadillac dealer.
To check the aim, the vehicle should be properly
prepared as follows:
The vehicle must have all four tires on a perfectly
level surface.
The vehicle should not have any snow, ice or mud
attached to it.
0 There should not be any cargo or loading of the
vehicle, except it should have a full tank of gas and
one person or
160 lbs. (75 kg) on the driver’s seat.
0 Tires should be properly inflated.
The horizontal indicator should read “0.”
6-33

Downloaded from www.Manualslib.com manuals search engine NOTICE:
To make sure your headlamps are aimed
properly, read all the instructions before
beginning. Failure to follow these instructions
could cause damage to headlamp parts.
State inspection stations will allow a vertical reading of
plus
0.76 degrees or minus 0.76 degrees from the center
of the bubble.
It is recommended that the upper limit not exceed plus
0.4 degrees from the center of the bubble. Other drivers
may flash their high beams at you
if your adjustment is
much above plus
0.4 degrees. If
YOU find that the headlamp aiming needs adjustment,
follow these steps:
1. Start by opening the hood and locating the vertical
and horizontal aim indicators. The aiming screw for
the horizontal aim indicator is
on the outboard side
of the headlamp cover and the aiming screw for the
vertical aim indicator is on the inboard side.
6-34

Downloaded from www.Manualslib.com manuals search engine 2. Check the vertical headlamp aim first. Keep in mind
that your vehicle needs to be on a level surface. Turn
the vertical aiming screw until the bubble inside the
level
is centered at “0.”
3. After the vertical aim is correct, check the horizontal
aim for each headlamp and adjust as necessary. Turn
the horizontal aiming screw until the end
of the
screw aligns with the
“0.”
correct after the horizontal aim adjustment. Adjust as necessary.
4. Recheck the vertical aim to make sure it remains

Downloaded from www.Manualslib.com manuals search engine Front Turn Signal Lamps
1. The turn signal lamps are located below the
headlamps.
To access, lift off the headlamp cover
(see Step
1 under “Headlamps”).
2. Turn the housing socket clockwise to unlock the
socket from the lamp housing.
3. Remove the turn signal
replace the bulb. lamp
housing socket and
6-36

Downloaded from www.Manualslib.com manuals search engine Center High-Mounted Stoplamp (CHMSL)
1. Lift the trim cover to remove.
2. Twist the socket counterclockwise and remove the
socket and bulb from the
housing.
3. Replace the bulb.
Reverse the steps to reassemble the stoplamp assembly.