1993 Cadillac Seville STS Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1993 Cadillac Seville STS


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1993 Cadillac Seville STS
$228 to $448
1993 Cadillac Seville STS
$491 to $762
1993 Cadillac Seville STS
$2,955 to $3,830
1993 Cadillac Seville STS
$550 to $781
1993 Cadillac Seville STS
$1,179 to $1,595

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One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.

The trunk pull down switch may fail causing the trunk lid not to close completely. Our technicians tell us that the failed switch can be replaced without changing the complete pull down motor assembly.

The water pump and/or the plastic side tanks on the radiator may leak causing a loss of coolant. The engine may overheat due to coolant loss. Continued coolant loss after external leaks have been repaired could indicate a blown head gasket.

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checked horns with power and they are good but will not beep from stearing wheel what to do now

Tach red-lines @ 6,500+, what is the deal with these Northstar engines? Are they reliable?

No code came up. I just dont have any airflow coming out of vents.

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overheating issues

I love the way my car drives, smooth and comfortable and everything inside works. Only problem is the pretty fake wood trim around the gear shifter is breaking away. If I keep my speed below 65 I get between 25-35 mpg with cruise on, of course, depends on the road grade too. It is costly to maintain the way it needs.

when I brake pedal and the car is hard not to

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