1994 Cadillac Deville engine and engine cooling problems
34 owner complaints filed with NHTSA name the engine and engine cooling on the 1994 Cadillac Deville — 27% of all complaints for this model year.
What owners report
“1994 cadillac deville had the following repairs performed: spark plug wire set, the ecu and map sensor, the ac compressor and the water pump belt.***no answer required***. *mr the consumer stated that the engine would miss and failed to return normal idle speed. The vehicle maintained about 50 mph…”
filed May 26, 2005
“Oil leak in engine for 1994 cadillac concourse-- we have an oil leak as a result of the manufacturer not using gaskets for oil pan and separate engine parts. The expense is quite costly and would not be necessary if the gaskets had been originally been installed. There have been no injuries or…”
filed Jan 12, 2004
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
130089009 · Service Bulletin/Repair Instructions · issued Sep 1, 2013Engine oil leaks along the upper to lower crankcase joint. *tt
990601019 · Service Bulletin/Repair Instructions · issued Feb 1, 20064.0l l47, 4.6l ld8 l37 engine water pump cover p/n 12571913- thermostat loose. Also including model 2003 cadillac eldorado. *mr
01792 · Service Bulletin/Repair Instructions · issued Jan 1, 2004This bulletin is being issued to inform dealers of enhancements to crankcase, oil distribution plate and oil pan sealing by using rtv sealant. *tt
030601027 · Service Bulletin/Repair Instructions · issued Oct 1, 2003Some customers may complain about a engine cold / knock / tick noise. *tt
990601010 · Service Bulletin/Repair Instructions · issued Jun 1, 1999
Engine and Engine Cooling problems in other Deville years
| Year | Reports | Share |
|---|---|---|
| 2005 Deville | 3 | 3% |
| 2004 Deville | 5 | 3% |
| 2003 Deville | 10 | 7% |
| 2002 Deville | 24 | 14% |
| 2001 Deville | 38 | 22% |
| 2000 Deville | 52 | 23% |
| 1999 Deville | 47 | 25% |
| 1998 Deville | 33 | 14% |
| 1997 Deville | 47 | 17% |
| 1996 Deville | 40 | 18% |
| 1995 Deville | 18 | 14% |
| 1993 Deville | 8 | 9% |
Other reported problem areas on the 1994 Cadillac Deville
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.