1999 CADILLAC CATERA maintenance

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6-36
Wiper Blade Replacement
Windshield wiper blades should be inspected at least
twice a year for wear or cracking. See ªWiper Blade
Checkº in the Maintenance Schedule booklet under
Part B ªOwner Checks and Servicesº for
more information.
It's a good idea to clean or replace the wiper blade
assembly on a regular basis or when worn. For proper
windshield wiper blade type, see ªNormal Maintenance
Replacement Partsº later in this section.
To replace the wiper blade assembly:
1. Pull the windshield wiper assembly away from
the windshield.
2. Lift the wiper blade assembly up so it is in a ªTº
shaped position. You should be able to see a tab.
3. Squeeze the tab together and pull the wiper blade
assembly down enough to release it from the ªJº
hooked end of the wiper arm. Slide the assembly
away from the arm.
4. Replace the blade.

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6-39
NOTICE: (Continued)

Tire overloading

Bad wear

Bad handling

Bad fuel economy.
If your tires have too much air (overinflation),
you can get the following:

Unusual wear

Bad handling

Rough ride

Needless damage from road hazards.
When to Check
Check your tires once a month or more. Also, check the
tire pressure of the spare tire.How to Check
Use a good quality pocket
-type gage to check tire
pressure. You can't tell if your tires are properly inflated
simply by looking at them. Radial tires may look
properly inflated even when they're underinflated.
Be sure to put the valve caps back on the valve stems.
They help prevent leaks by keeping out dirt
and moisture.
Tire Inspection and Rotation
Tires should be rotated at 5,000 miles (8 000 km) and
then every 10,000 miles (16 000 km) thereafter. Any
time you notice unusual wear, rotate your tires as soon
as possible and check wheel alignment. Also check for
damaged tires or wheels. See ªWhen It's Time for New
Tiresº and ªWheel Replacementº later in this section for
more information.
The purpose of regular rotation is to achieve more
uniform wear for all tires on the vehicle. The first
rotation is the most important. See ªScheduled
Maintenance Servicesº in the Maintenance Schedule
booklet for scheduled rotation intervals.

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6-49
Clean the outside of the windshield with GM
Windshield Cleaner, Bon Ami
Powder (non-scratching
glass cleaning powder), GM Part No. 1050011. The
windshield is clean if beads do not form when you rinse
it with water.
Grime from the windshield will stick to the wiper blades
and affect their performance. Clean the blade by wiping
vigorously with a cloth soaked in full
-strength
windshield washer solvent. Then rinse the blade
with water.
Check the wiper blades and clean them as necessary;
replace blades that look worn.
Weatherstrips
Silicone grease on weatherstrips will make them last
longer, seal better, and not stick or squeak. Apply
silicone grease with a clean cloth at least every six
months. During very cold, damp weather more frequent
application may be required. (See ªRecommended
Fluids and Lubricantsº in the Maintenance
Schedule booklet.)
Cleaning the Outside of Your Vehicle
The paint finish on your vehicle provides beauty, depth
of color, gloss retention and durability.
Washing Your Vehicle
The best way to preserve your vehicle's finish is to keep
it clean by washing it often with lukewarm or
cold water.
Don't wash your vehicle in the direct rays of the sun.
Use a car washing soap. Don't use strong soaps or
chemical detergents. Be sure to rinse the vehicle well,
removing all soap residue completely. You can get
GM
-approved cleaning products from your dealer. (See
ªAppearance Care and Materialsº in the Index.) Don't
use cleaning agents that are petroleum based, or that
contain acid or abrasives. All cleaning agents should be
flushed promptly and not allowed to dry on the surface,
or they could stain. Dry the finish with a soft, clean
chamois or an all
-cotton towel to avoid surface
scratches and water spotting.
High pressure car washes may cause water to enter
your vehicle.

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6-52
Finish Damage
Any stone chips, fractures or deep scratches in the finish
should be repaired right away. Bare metal will corrode
quickly and may develop into a major repair expense.
Minor chips and scratches can be repaired with touch
-up
materials available from your dealer or other service
outlets. Larger areas of finish damage can be corrected
in your dealer's body and paint shop.
Underbody Maintenance
Chemicals used for ice and snow removal and dust
control can collect on the underbody. If these are not
removed, accelerated corrosion (rust) can occur on the
underbody parts such as fuel lines, frame, floor pan and
exhaust system even though they have
corrosion protection.
At least every spring, flush these materials from the
underbody with plain water. Clean any areas where mud
and other debris can collect. Dirt packed in closed areas
of the frame should be loosened before being flushed.
Your dealer or an underbody car washing system can do
this for you.
Chemical Paint Spotting
Some weather and atmospheric conditions can create a
chemical fallout. Airborne pollutants can fall upon and
attack painted surfaces on your vehicle. This damage
can take two forms: blotchy, ringlet
-shaped
discolorations, and small irregular dark spots etched into
the paint surface.
Although no defect in the paint job causes this, Cadillac
will repair, at no charge to the owner, the surfaces of
new vehicles damaged by this fallout condition within
12 months or 12,000 miles (20 000 km) of purchase,
whichever occurs first.

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6-53
GM Vehicle Care/Appearance Materials
PART NUMBERSIZEDESCRIPTIONUSAGE
99495423 in. x 25 in.Polishing Cloth ± Wax TreatedExterior polishing cloth
105017216 oz. (0.473 L)Tar and Road Oil RemoverRemoves tar, road oil and asphalt
105017316 oz. (0.473 L)Chrome Cleaner and PolishUse on chrome, stainless steel, nickel, copper and brass
105017416 oz. (0.473 L)White Sidewall Tire CleanerRemoves soil and black marks from whitewalls
105021432 oz. (0.946 L)Vinyl CleanerCleans vinyl tops, upholstery and convertible tops
105042723 oz. (0.680 L)Glass CleanerRemoves dirt, grime, smoke and fingerprints
1052918**8 oz. (0.237 L)Armor All
ProtectantProtects leather, wood, acrylics, Plexiglas
, plastic,
rubber and vinyl
105292516 oz. (0.473 L)Multi-Purpose Interior
CleanerCleans carpets, seats, interior trim, door panels
and floor mats
105292916 oz. (0.473 L)Wheel CleanerSpray on and rinse with water
10529308 oz. (0.237 L)Capture Dry Spot RemoverAttracts, absorbs and removes soils on fabric
123457212.5 sq. ft.Synthetic ChamoisShines vehicle without scratching
1234572512 oz. (0.354 L)Silicone Tire ShineSpray on tire shine
12377964*16 oz. (0.473 L)Finish EnhancerRemoves dust, fingerprints and surface contaminants
12377966*16 oz. (0.473 L)Cleaner WaxRemoves light scratches and oxidation and protects finish
12377984*16 oz. (0.473 L)Surface CleanerRemoves contaminants, blemishes and swirl marks
See your General Motors Parts Department for these products.
See ªRecommended Fluids and Lubricantsº in the Maintenance Schedule booklet.
* For exterior use only.
** Not recommended for use on instrument panels.

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6-62
Fuse/Relay Usage
6 Fan Control Relay (K87)
7 Fan Control Relay (K26)
8 Fuse 50
9 Fan Control Relay (K28)
10 Engine Controls Power Relay (K43)
12 Fuse 40
15 Fuse 52
16 Connector C110
17 Coolant Fan Test Connector
Fan Control
18 Fuse 42 (A), Fuse 49 (B)
19 Fan Control Relay (K52)
20 Fuel Pump Relay (K44)
29 Fuse 43Replacement Bulbs
Application Bulb Number
Composite Headlamps
Inner High Beam 90512338. . . . . . . . . . . . . . . . . . .
Outer Low Beam 90512338. . . . . . . . . . . . . . . . . . .
Front Turn Signal Lamp 90487485. . . . . . . . . . . . . . .
Rear Turn Signal Lamp and Taillamp 90002521. . . .
Capacities and Specifications
The following approximate capacities are given in
English and metric conversions. Please refer to
ªRecommended Fluids and Lubricantsº in the
Maintenance Schedule booklet for more information.
Transmission 7.0 quarts (6.6 L). . . . . . . . . . . . . . . . .
Engine Crankcase
Oil Change With Filter 6.0 quarts (5.75 L). . . . . . .
Engine Cooling System 10.57 quarts (10.0 L). . . . . .
Fuel Tank 16.0 gallons (60.56 L). . . . . . . . . . . . . . . . .
R
-134a Refrigerant 2.09 lbs. (0.95 kg). . . . . . . . . . . .
NOTE: All capacities are approximate. When adding, be
sure to fill to the approximate level, as recommended in
this manual. Recheck fluid level after filling.

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6-63 Wheel Bolt Torque
80 lb-ft (110 N´m)
Engine Specifications
Displacement 181 cubic inches (2 962 cc). . . . . . . . .
Type 3.0 L DOHC V6. . . . . . . . . . . . . . . . . . . . . . . . .
VIN Engine Code R. . . . . . . . . . . . . . . . . . . . . . . . . . .
Horsepower 200 (bhp) @ 6000 rpm. . . . . . . . . . . . . .
149 (kW) @ 6000 rpm
Torque 192 (lb
-ft) @ 3600 rpm . . . . . . . . . . . . . . . . .
260 (N´m) @ 3600 rpm
Firing Order 1
-2-3-4-5-6 . . . . . . . . . . . . . . . . . . . . . .
Thermostat Starts To Open 198
F (92
C) . . . . . . . . .
Air Conditioning Refrigerants
Not all air conditioning refrigerants are the same.
If the air conditioning system in your vehicle needs
refrigerant, be sure the proper refrigerant is used.
If you're not sure, ask your dealer.
Normal Maintenance
Replacement Parts
Air Filter Element 90509318. . . . . . . . . . . . . . . . . . .
Fuel Filter Element 90542540. . . . . . . . . . . . . . . . . .
Engine Oil Filter 25010792. . . . . . . . . . . . . . . . . . . .
Passenger's Compartment Air Filter 90510338. . . . .
Spark Plugs 90541059 (Bosch Plug = FLR9LTE). . .
Thermostat 90502201. . . . . . . . . . . . . . . . . . . . . . . . .
Windshield Wiper Blades 9118382 (RH). . . . . . . . . . .
9118381 (LH)
Vehicle Dimensions
Wheel Base 107.5 inches (273.0 cm). . . . . . . . . . . . .
Length 194.0 inches (492.8 cm). . . . . . . . . . . . . . . . .
Height 56.4 inches (143.2 cm). . . . . . . . . . . . . . . . . . .
Width 70.3 inches (178.6 cm). . . . . . . . . . . . . . . . . . .
Front Tread 59.3 inches (150.6 cm). . . . . . . . . . . . . . .
Rear Tread 59.8 inches (152.0 cm). . . . . . . . . . . . . . .

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8-7
Power Door 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Programmable Automatic Door 2-5 . . . . . . . . . . . . . . . . . . .
Rear Door Security 2-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loss of Control 4-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Coolant Warning Light 2-69 . . . . . . . . . . . . . . . . . . . . . .
Low Fuel Light 2-75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Washer Fluid Warning Light 2-74 . . . . . . . . . . . . . . . . . .
Lumbar Support, Manual 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance, Normal Replacement Parts 6-63 . . . . . . . . . . .
Maintenance, Underbody 6-52 . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance When Trailer Towing 4-37 . . . . . . . . . . . . . . . . .
Malfunction Indicator Lamp 2-70 . . . . . . . . . . . . . . . . . . . . . .
Manual Folding Outside Rearview Mirrors 2-49 . . . . . . . . . . .
Manual Lumbar Support 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Operation (Climate Controls) 3-4 . . . . . . . . . . . . . . . .
Map Lamps 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Map Pockets 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Memory Seat and Mirrors 1-3 . . . . . . . . . . . . . . . . . . . . . . . . .
Methanol 6-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mirrors 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convex Outside 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrochromic Day/Night Rearview 2-47 . . . . . . . . . . . . . .
Heated Rearview 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Illuminated Visor Vanity 2-51 . . . . . . . . . . . . . . . . . . . . . . .
Manual Folding Outside Rearview 2-49 . . . . . . . . . . . . . . .
Power Remote Control 2-48 . . . . . . . . . . . . . . . . . . . . . . . . .
MMT 6-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mobility Program for Persons with Disabilities 7-5 . . . . . . . . .
Mode Button 3-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Model Reference ii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mountain Roads 4
-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Multifunction Lever 2-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Net, Convenience 2-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NEUTRAL (N), Automatic Transmission 2-22 . . . . . . . . . . . .
New Vehicle ªBreak-Inº 2-16 . . . . . . . . . . . . . . . . . . . . . . . . .
Night Vision 4-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Normal Maintenance Replacement Parts 6-63 . . . . . . . . . . . . .
Odometer 2-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Odometer, Trip 2-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Off-Road Recovery 4-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil, Engine 6-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Pressure Light/Gage 2-72 . . . . . . . . . . . . . . . . . . . . . . . . . .
OnStar
System 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ordering Service and Owner Publications 7-11, 7-12, 7-13 . . . .
Outside Rearview Mirrors, Manual Folding 2-49 . . . . . . . . . .
Outside Temperature Display 3-3 . . . . . . . . . . . . . . . . . . . . . . .
Overheating Engine 5-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Owner Publications, Ordering 7-11, 7-12, 7-13 . . . . . . . . . . .
Paint Spotting, Chemical 6-52 . . . . . . . . . . . . . . . . . . . . . . . .
Panel, Instrument 2-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PARK (P)
Automatic Transmission 2
-21 . . . . . . . . . . . . . . . . . . . . . . .
Shifting Into 2-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shifting Out of 2-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .