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2006 Cadillac CTS repairs by problem area

Chart based on 84 repairs.

2006 Cadillac CTS engine repair cost distribution

Chart based on 12 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten 2006 Cadillac CTS repair histories. Log in or join us to see them all.

2006 Cadillac CTS

Engine not specified

64000 mi

US $2300
The intake manifold gasket had to be replaced along with a coil pack and the spark plugs. Car does not run the same now.  

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2006 Cadillac CTS 4dr Sedan

255-horsepower 3.6L V6 6-speed manual RWD

85000 mi

US $614
Replaced the water pump. 

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2006 Cadillac CTS 4dr Sedan

255-horsepower 3.6L V6 5-speed shiftable automatic RWD

94000 mi

US $400
Car is bucking and feels like its going to kill. There is also a rattling noise under the hood like something is loose 
96000 mi

US $100
Coil pack 
110000 mi

US $80
Coil pack 
106000 mi

US $65
Developed an engine miss. Pulled code and found that number three cylinder had misfires. Replaced ignition coil. Problem corrected 
89000 mi

US $85
knocking sound coming from the front of engine between 29 to 30mph 
46000 mi Fuel Injector 5 failed - stuck in the full open position causing extremely rich fuel air mixture. 
102000 mi ECM module was failing, had a couple of 'no crank no start. No engine lights even though I believe I had a O2 sensor bad.Watched YouTube which described condition. 
500 mi reflashed ECU to try and fix on-board computer faults. Also affected the radio and ability to get into the custom settings menu for the car. 
14500 mi Replaced Rear main seal for oil leak 
42000 mi Rear main seal had a small leak when turned in. About to replace leaking radiator when turned in. 

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2006 Cadillac CTS 4dr Sedan

210-horsepower 2.8L V6 5-speed shiftable automatic RWD

45260 mi Timing chain. 
51460 mi

C $500
Radiator cap and coolant. 
62000 mi

C $366
Changed spark plug cylinder 5, and swapped ignition coils between 5 and 6. Still knocking. Fixed misfire. Spark plug and ignition coil for cylinder #5. Replaced radiator cap. 
62400 mi

C $460
Oil cooler, radiator, etc. blew up, transmission fluid leaked onto the street. Bill initially $1,500, reduced to $460 after I gave them an earful. Cadillac paid for the parts, I paid labor. 
64140 mi

C $500
Misfire cylider #3. Intake gasket removed. 
122000 mi

US $265
Air intake manifold replaced 
151000 mi Timing chain. P0008 
27000 mi Water Pump leaking. Replaced Water hose not tight. They repaired. 

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2006 Cadillac CTS Engine Problems

86 TrueDelta members own (or used to own) a 2006 Cadillac CTS. 17 of these members (19.8%) have reported engine repairs for their car. A total of 34 engine repairs to 2006 Cadillac CTSs--an average of 0.4 per vehicle--have been reported.

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2006 Cadillac CTS problems occur, check out our car reliability stats.