| 1 | 0 | 3 | 4 | 3 | 4 |
2004 Cadillac CTS repairs by problem area
Engine (42%)
Transmission and Drivetrain (10%)
Brakes and Traction Control (10%)
Suspension and Steering (11%)
Electrical and Air Conditioning (12%)
Paint, Rust, Leaks, Rattles, and Trim (7%)
Other (8%)
Chart based on 146 repairs.
2004 Cadillac CTS engine repair cost distribution
$2500+ (2%)
$1000 - $2499 (11%)
$500 - $999 (18%)
$100 - $499 (24%)
< $100 (45%)
Chart based on 55 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2004 Cadillac CTS
Engine not specified
| 41000 mi US $806 |
Replaced radiator. |
2004 Cadillac CTS 4dr Sedan
400-horsepower 5.7L V8 6-speed manual RWD
| 45000 mi | Replace Engine Mounts |
| 50000 mi | Tighten Rear Cradle Bolts |
2004 Cadillac CTS 4dr Sedan
255-horsepower 3.6L V6 5-speed automatic RWD
| 180000 mi US $99 |
Emissions and Exhaust System. Code P0420 ("Catalyst System Low Efficiency Bank 1"). Dealer replaced Catalytic Converter. The manager who drove the car thought it was a cylinder misfire.They swapped cylinder coil packs & spark plugs.Could not duplicate issue.Charged me for inspection. |
| 181000 mi | Engine was making a loud whistling sound. This was the result of a bad repair (instead of replacement) of PCV tubing to the engine earlier in July.Dealer fixed no charge because they said the tech should have replaced it instead of taping it up. |
| 186000 mi US $247 |
Replaced six original ignition coils. This seems to have stopped the cylinders from misfiring. |
| 194500 mi US $45 |
There was a slight oil leak that was due to a seal that was going bad. |
| 113000 mi US $1200 |
1) ECM 2) THROTTLE CONTROL MODULE AND HARNESS |
| 140500 mi US $29 |
Missfire in cylinder 6, CEL stated PO306 and PO300, Replaced Coil and spark plug has not come back. |
| 162000 mi US $144 |
Replaced Throttle body 3 times in the past two months. It has a 1 year warranty. Also replaced wiring harness. Heard hard ticking from engine checked and replaced purge valve canister ticking has to returned. |
| 163000 mi US $255 |
Again the throttle body failed. Got a refund from previous company and bought one from AC delco shop. Installed. Checked wires all ok. Replacing gas pedal and sensor. If fails again will replace ECM. Threw code P0221 before it failed. |
| 97600 mi US $220 |
Had to replace one of the coil packs in the engine |
| 149700 mi US $1500 |
Ignition coil shorted on one cylinder blowing the fuse. This caused half the cylinders to stop working Coolant pump leak |
| 160000 mi | Had a check engine light for P0420. |
| 91000 mi US $24 |
Had to replace fuel cap it was not creating a vacuum seal on fuel system. |
| 164000 mi US $900 |
1)Engine light comes on after a fillup. 2)Car jerks and struggles to accelerate. 3) Runs rough at idle. Light still comes on and off. |
| 165000 mi | Incompetent service location/company /What a waste of time and inconveince. .. same symptom, Nothing found. Engine light continues to pop on and off . mainly during or after fuel change. I think its water in the fuel line but the Service Group. Next call is to Cadillac corporate. |
| 75000 mi US $300 |
Water pump failed |
| 91000 mi US $1 |
Thrown rod due to blocked oil passage. Currently waiting for engine replacement quote. |
| 142000 mi US $450 |
P code 2231, O2 sensor. Always ran great. I had both sensors replaced. Their "top guy" couldn't figure it out. It would go for miles then suddenly, the light would come on. He said the computers were a bit fickle and overly sensitive on these Cadillacs but it also could be a valve guide problem so for another $1000.00 I could have that checked out, which even he was hesitant to recommend. . . long story short I sold the car . . . it ran great but the light will probably always be an issue. |
| 115196 mi US $851 |
replaced oxygen sensors and ignition coils |
| 77568 mi C $100 |
Warranty: Excessive oil consumption. 1qt very 2000 miles. Replace Piston Rings, Valve Seals and Gaskets. |
| 78343 mi C $100 |
Warranty: Trans cooler lines unbonded from radiator. Replace radiator, refill radiator and trans. |
| 92500 mi US $700 |
Cylinder misfire; replace faulty coil and sparkplugs |
| 95000 mi US $1000 |
Catalytic converter needed to be replaced |
| 146000 mi US $1300 |
Five of the six spark plugs had fouled and the number five coil pack needed replaceing. |
| 97000 mi US $512 |
Car was at shop for oil change and tire rotation, Mechanic noticed leak from water pump. Pump replaced. |
| 207000 mi US $382 |
Engine began to misfire and service engine light came on. Diagnostics was ran. failed ignition coil was replaced. |
| 70980 mi C $12000 |
throttle body and throttle sensor replaced and intake work transmission reprogramming |
| 80900 mi C $200 |
second time o2 sensor replaced |
| 81220 mi C $1200 |
eight weeks later o2 sensors failed again. ecm replaced with o2 sensors, dealer diagnoses o2 sensors failing due to ecm failure |
| 88660 mi C $500 |
The line that goes from the auto transmission came out of the radiator, car lost coolant and transmission oil. Replaced the radiator, but still have to take it to a transmission shop to check it. |
| 84000 mi US $150 |
Bracket holding the exhaust failed and was rattling. They fixed the issue. |
| 80000 mi | High oil consumption resulting in a 2000 mile monitoring then taken back for a ring cleaning via the injectors. Am now monitoring second 2000 miles to determine if next steps are required. |
| 61000 mi US $600 |
Entire intake from the MAF to the intake manifold had to be replaced. Including the electronic throttle control assembly. They origanally thought that the volant intake had caused the issue. Upon further evaluation and inspection, they found it to be a .. |
| 44000 mi | A few days later took the car back in at lunch and made appointment for the following day. Same problem but if I shut it off and turned it back on the car would run ok for a while. This trip they replaced the Throttle Assembly. A week later, it was back with same issue, this time they replaced the ECM. |
| 45000 mi | Car had same symptoms as last two visits. Stability control light came on, then check engine soon alarm then the engine power was reduced. I shut it off sat a bit, turned it back on and the Check Engine Soon light still lit but I could drive it to the d |
| 78000 mi | Water pump started leaking profusely. Dealer replaced. Replaced gas cap. |
| 79000 mi | Oil sensor giving false readings. Parts on order. |
| 82000 mi | Sensor previously ordered was installed. |
| 91000 mi US $30 |
Reattached vacuum hose that fell off of air box behind air filter. Replaced gas cap. Evap syst code cleared. |
| 106000 mi US $966 |
There was a hole in an evaporative emission return hose. The section of hose was replaced along with the cannister vent solenoid, cannister purge solenoid, and the battery. |
| 116000 mi US $250 |
Diver side catalytic converter failed. Found by check engine light and code. Replaced catalytic converter and upstream o2 sensor. Purchased after market parts and did work myself saving $600 over dealer cost. Car runs like new now. |
| 102000 mi US $70 |
code p0128 showed, thermostat was stuck open, real pain to replace. |
| 27000 mi | Engine light on for several weeks. No drivability problems. |
| 115000 mi US $1200 |
Hose running from transmission to radiator was pulled out. Requires two new hoses and new radiator |
| 43000 mi US $40 |
Car indicated coolant was low 2nd time in 1 week, after being filled form the 1st warning. Shop did a visual inspection, and could not find a leak. They did not have equipment to do a pressure test. They suggested another shop to get test done. Had different shop look at coolant leak. They did pressure test and visual inspection after running car on lift several times. Never found leak, and test came back fine. There was coolant on our garage floor though. Suggested we monitor the problem. |
| 45000 mi US $55 |
Coolant leak again. Also radiator hoses were collapsed like they were sucked in. Shop determined it was a faulty radiator cap. Replaced the cap and problem is resolved. |
| 45000 mi US $70 |
engine would not run. It would start then immediately die. I checked all connections and hoses and found nothing wrong. The dealership found that the air intake was not attached correctly. Unmetered air was entering the engine causing it to die. |
| 68800 mi US $240 |
Cylinder # 6 misfired and check engine light blinked , eventually stayed on. Dealer replaced coil for # 6 cylinder. Was treated very good. #3 Cylinder Misfired and required replacing ignition coil on that cylinder. |
| 78000 mi US $65 |
Check Engine Light came on. Noticed faulty fuel cap , purchased and replaced. Reset Check Engine Light. Price paid for Dianostic Machine $65 Price for Fuel Cap $20. |
| 95000 mi US $600 |
Had another Cylinder Coil go out (?) Replaced plugs but still have check engine light on because of Throttle Body error. |
2004 Cadillac CTS 4dr Sedan
220-horsepower 3.2L V6 5-speed manual RWD
| 114000 mi | Serpentine belt tensioner pulley seized. The pulley sheared off and contacted the plastic timing belt cover. The timing belt sheared and then broke. Interference engine. Car needs engine. |
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