1994 Cadillac Seville STS Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1994 Cadillac Seville STS

1994 Cadillac Seville STS Problems

Engine Overheating May Cause Cylinder Head to Expand

Overheating of the engine may cause the cylinder head to expand, severely straining the head bolts and damaging the threads in the engine block. This commonly results in a blown head gasket. Our technicians tell us the engine block threads must be repaired before the cylinder head is reinstalled.

Powertrain Control Module may Develop Fault

This powertrain control module (PCM) may develop a fault with its electrical ground location at the front of the engine block near the starter motor.

High Pressure Power Steering Hose Can Leak Fluid

The high-pressure power steering lines are known to leak.

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1994 Cadillac Seville STS Questions

where do I check for vacuum leaks (1 answer)

After replacing a dead battery on a car with anti-theft that has set for a couple of years, how do you reset everything to get power? (1 answer)

How do I reset my anti theft on my 94 Cadillac sts without having the right tool (1 answer)

I just bought a brand-new battery for my 94 Cadillac sts I put the battery in and it started right up and I drove it all day then parked it in my drive way this mourning I went to start it again and nothing I mean nothing. It don't even turn over almost like there's not even an engine in ...

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