1998 Cadillac Catera Problems

What owners report

Owners of this model year most often describe engine and cooling problems — coolant and oil leaks, overheating, and timing belt or tensioner failures that can leave the car without power — typically showing up around 50,000-70,000 miles. A second recurring theme is uneven inner-edge tire wear tied to alignment and suspension geometry, along with assorted electrical faults such as warning lights, sensor and ignition failures. Many complaints come from owners who bought the car used and describe repeated visits to the dealer.

1. 1
   Engine cooling

   Coolant and oil leaks, overheating

   • 24 complaints (20%)
   • median 60,000 mi at 6.8 yrs old (16 state mileage)
   • 1 mention a crash, fire or injury
   • owner-quoted repair $1,850 (median of 6 quotes)
   • filed 1999–2010

   Owners describe coolant leaking from the water pump, heater control valve, coolant crossover and hoses, with the engine running hot or steaming and sometimes stalling. Several mention coolant mixing with engine oil through the oil cooler, and others report oil leaks from valve cover and cam cover gaskets. Complaints describe repeated dealer repairs with the problem returning, and in some cases a failed water pump throwing the main belt and taking power steering with it. Most often reported between roughly 20,000 and 70,000 miles, with some cases past 100,000 miles.

   2 related service bulletins

   What to check: Check the coolant level and colour and look for residue around the water pump, hoses and crossover, and check for oil leaks at the valve covers. Ask whether the water pump and heater valve have been replaced, and whether the cooling system has been flushed.

   2 excerpts from owner complaints in NHTSA records

   “On july 24, 2004 while driving between 65-70 MPH in the left lane on I-81, I could feel that the power steering was gone in the vehicle,there was no indication in the idiot lights or the gauges that the vehicle was in distress. As I got to the right the battery light came on, then the radiator light came on, I immediately stopped the vehicle. The repair shop had the car for 2 days and finished the repair of the water pump. …”

   NHTSA complaint #10088757, filed 2004-08, 29,279 miles

   “I had a problem with coolant leaking into oil possibly due to a bad oil cooler in the engine. The problem was fixed at a local mechanic shop. After a while, sometime in march of 2003 the problem reappeared and coolant is leaking into oil again. It also seemed that somebody replaced the oil cooler even before I bought the car. I had to pay a fortune to repair it the first time and now it's in the shop again and I will see what will happen this time. …”

   NHTSA complaint #10010367, filed 2003-03, 28,000 miles
2. 2
   Engine cooling

   Timing belt / tensioner pulley failure

   • 14 complaints (11%)
   • median 38,000 mi at 9.0 yrs old (7 state mileage, few)
   • 1 mention a crash, fire or injury
   • owner-quoted repair $4,800 (median of 5 quotes)
   • filed 2000–2009

   Complaints describe the timing belt or its tensioner pulley failing while driving, sometimes with a sudden loss of power and the engine refusing to restart. Several owners say the dealer then found belt separation or a failed pulley that damaged valves and the cylinder head, requiring major engine work. Some report being told the tensioner system is specific to this model and that replacement is recommended earlier than the owner's manual suggests. Others mention a manufacturer letter or service campaign about the cam drive idler and pulley. Reported across a wide mileage range, from about 12,000 to over 130,000 miles, with many between 45,000 and 70,000 miles.

   2 related service bulletins

   What to check: Ask for records showing the timing belt, tensioner pulley and water pump were replaced, and when. Listen for belt noise or a recent loss of power on a test drive, and factor the cost of this job into the price.

   2 excerpts from owner complaints in NHTSA records

   “While I was making a wide turn, the timing belt of my 1998 Catera broke and damaged the engine head of my car. The pulley was bent in the process. This is a manufacturer's defect associated with the Catera. Now the manufacturer has refused to fix my car. It will cost $5000.00.”

   NHTSA complaint #10169905, filed 2006-10, 11,900 miles

   “The tensioner pulley & timing belt was a know defect for vehicle and was recalled but I was never notified, at the time of failure I lost all power & control of the vehicle on an decline in a high traffic location in a server rain storm. Vehicle is now doa and GM refuses to remedy tues evening 6/23 the check engine light goes on, in 30-45 seconds the car stopped running, earlier in the day I heard a knock and thought I ran over something as all gauges indicated everything was running normal. …”

   NHTSA complaint #10275593, filed 2009-07, 20,654 miles
3. 3
   Suspension

   Uneven inner tire wear and alignment

   • 29 complaints (24%)
   • median 67,000 mi at 5.9 yrs old (5 state mileage, few)
   • 1 mention a crash, fire or injury
   • filed 1999–2008

   Complaints describe front or rear tires wearing heavily on the inner edge, sometimes to the cords, and the car pulling or drifting to one side. Owners report repeated alignments, tie rod and center link replacement, and being told by the dealer that the wear was normal or that a design change was needed. Several say a service bulletin on alignment did not stop the wear, and that new tires wore the same way. Reported from low mileage — some tires worn out by around 13,000 miles — up to about 68,000 miles.

   What to check: Inspect the inner shoulders of all four tires for uneven wear, and ask for recent alignment printouts. Budget for tires sooner than expected if the wear pattern is present.

   2 excerpts from owner complaints in NHTSA records

   “In january 1999 I received a service bulletin # 81-31-02 from Cadillac motor vehicle division informing me that the Catera had a tendency to ...drift or lead to the right while driving and/or the front tires appear to be wearing more on the inner shoulder. I took the vehicle in the repair per their request but the tires continued to wear on the inner edge to the point of steel tread showing through but sterling & Cadillac motor vehicle division now say there's nothing we can do about it . In the meantime I need 4 new tires. …”

   NHTSA complaint #732892, filed 2000-09

   “Rear tire wore out prematurely, causing tire tread on the inside to show. Dealer notified. The rear tires wore on the inside because of too much negative camber. New tires were purchased and installed. The consumers case went to arbitration but was rejected because the problem would require a design change which was beyond the scope of arbitration. The consumer called Cadillac to but a retrofit kit to adjust the camber but no kit was available. A design change was made which was not interchangeable. …”

   NHTSA complaint #10033808, filed 2004-04, 21,083 miles
4. 4
   Electrical system

   Stalling and warning lights (electrical/sensors)

   • 20 complaints (16%)
   • median 60,000 mi at 7.3 yrs old (13 state mileage)
   • 1 mention a crash, fire or injury
   • filed 1999–2010

   Complaints describe the engine cutting out while driving, sometimes with the check engine or other warning lights on, and the car hard to restart. Owners report dealers finding failed crank sensors, ignition coil packs or control modules, and in some cases being unable to reproduce the fault. Some also mention intermittent instrument panel lighting and inoperative accessories. Reported from about 20,000 to over 100,000 miles, often around 50,000-90,000 miles.

   3 related service bulletins

   What to check: Ask whether the crank sensor and ignition coil pack have been replaced, and check that all warning lights behave normally. Have any stored fault codes read at a shop before purchase.

   2 excerpts from owner complaints in NHTSA records

   “The motor in the car started cutting out and slowing down when I would try to accelerate. There was never a knocking sound. There was no engine light and the car was overheating. From reading about this car online it sounds like a timing issue. I took it to a mechanic and was told he did not want to work on the car because of the complexity of the job. From what im told this has happened to alot of these cars and no recall has been issued!! Why not!”

   NHTSA complaint #10234570, filed 2008-07, 136,000 miles

   “I own a 1998 Catera. While driving at 45 MPH on a curved road the engine and power cut off . I lost power steering and had to struggle to stop. The car on the side of the road. It happened in a matter of seconds. I had the car towed to the caddy dealer, and they said the crack sensor went bad. I reviewed the internet and saw this was a common problem. I was not hurt, but I was very concerned. If my son was driving I believe we both would not be hear and no one would know why we crashed head on. …”

   NHTSA complaint #10193765, filed 2007-06, 84,000 miles
5. 5
   Air bags

   Air bag warning light and deployment concerns

   • 8 complaints (7%)
   • median 64,971 mi at 10.1 yrs old (2 state mileage, few)
   • 4 mention a crash, fire or injury
   • filed 1998–2010

   Owners report the air bag warning light coming on and staying on, with dealers replacing the air bag module or sensor after diagnosis. Some complaints describe the light returning after repair. Others describe air bags not deploying in a front impact, or deploying without a collision. Reported from low mileage up to about 70,000 miles, with no single mileage pattern.

   1 related service bulletin

   What to check: Confirm the air bag warning light goes out after the self-test at start-up. Ask whether the air bag module or sensors have been replaced, and have any stored air bag codes read before purchase.

   2 excerpts from owner complaints in NHTSA records

   “My wife was driving our 1998 Cadillac Catera when another car ran a stop sign forcing my wife's car into a collision t-boning the other car. The approximate speed of our car during the impact was at least thirty miles per hour. Our Cadillac was written off in the accident however even though this was a hard front end collision there was no airbag deployment in our car. My wife sustained some injuries however because she was wearing her seat belt she was released from the hospital 4 days later!”

   NHTSA complaint #10350460, filed 2010-08, 70,000 miles

   “Vehicle is experiencing problem with air bag light sensor keeps coming on. On four occasions vehicle vehicle been in /out of dealer's shop and problem reoccurred. Can NHTSA help or provide additional information on this matter.”

   NHTSA complaint #851132, filed 1999-10

Buying note. This model year shows a clear pattern of cooling and timing belt repairs plus alignment-related tire wear, so service records for those items matter more than mileage alone. A pre-purchase inspection by a shop familiar with the model is worthwhile, and the cost of deferred cooling, belt or front-end work should be reflected in the price.

Summary written with AI from a sample of 60 NHTSA complaints for this model year (picked at random, with complaints that state a mileage and recent ones taken first), then checked automatically against the source records. Where a problem shows a complaint count, every complaint for this model year was matched with fixed keyword rules (written with AI and tested against the sample), and the mileage, age and repair figures are calculated from those complaints; owners' figures are as stated, not verified. Other counts refer to the sample. The excerpts come from NHTSA's public complaint records and are unverified; capitalisation is normalised, NHTSA staff notes are removed, and shortened text ends with “…”. Something wrong? Request a correction.