Cadillac 1975 Owner's Manual page 19

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Use only trailer hitches which permit j
normal operation of the Energy Ab-
J
sorbing Bumper system. For example, a |
rigid fore and aft connection between |
the bumper and any other part of the '
vehicle should be avoided, otherwise |
damage may be increased in the event >
of a collision.
MAINTENANCE
More frequent vehicle maintenance is re¬
quired when using your car to pull a trailer.
Change the:
• Automatic transmission fluid each
50,000 miles,
• Axle or final drive lubricant each 15,000
miles,
• Engine oil each 90 days or 3,000 miles,
whichever occurs first,
• Positive crankcase ventilation valve each
12 months or 15,000 miles, whichever
occurs first.
• See Index and Maintenance Schedule
Folder for important information on en¬
gine belts, cooling system care, and au¬
tomatic brake adjustment.
EQUIPMENT TRAILER WEIGHT (LOADED)
Up to 1000 lbs. 1000-2000 lbs.
2000-3500 lbs.
3500-6000 lbs.
Variable Load Turn Signal
Rasher
Required Required Required Required
•High Output Generator
and Regulator
Recommended Recommended Required Required
•Radiator with Heavy Duty
Transmission Oil Cooler
Available Available
Required Required
•Special Fan
Available Available
Required Required
•Vacuum Reserve Tank
Available Available Available Recommended
Automatic Level Control
(Standard on Eldorado and
Sixty Special Brougham)
Recommended
Recommended Recommended Recommended
•Special Rear Axle Ratio-
3.15 to 1
(Except Eldorado)
Available Recommended Required Required
Separate Trailer Brakes
—
Required Required Required
'Frame Side Rail
Mounted, Non-Load
Distributing Hitch
Recommended Recommended
Not
Recommended
Not
Recommended
Frame Side Rail Mounted,
Load-Distributing Hitch
with Sway Control
— —
Required Required
•Included when Factory Installed Trailering Package is ordered.
*A bumper mounted hitch is permitted up to 2,000 lbs. loaded trailer weight. See CAUTION no. 6, page 18.