2004 Lexus RX Lexus RX 2004

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2004 Lexus RX repairs by problem area

Engine (18%)

Transmission and Drivetrain (8%)

Brakes and Traction Control (9%)

Suspension and Steering (27%)

Electrical and Air Conditioning (16%)

Paint, Rust, Leaks, Rattles, and Trim (6%)

Other (16%)

Chart based on 158 repairs.
See TSBs and recalls for the 2004 Lexus RX.

2004 Lexus RX engine repair cost distribution

$2500+ (12%)

$1000 - $2499 (4%)

$500 - $999 (31%)

$100 - $499 (31%)

< $100 (23%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 26 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2004 Lexus RX 4dr SUV

230-horsepower 3.3L V6 5-speed shiftable automatic FWD

134400 mi Coolant freeze plug located on engine block leaking fluid. New plate and sealant installed. 
146000 mi Coolant leak due to failing radiator cap. Replaced main radiator cap 
159554 mi

US $291
No. 4 engine cylinder spark plug coil pack failure. Coil pack replaced. 

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2004 Lexus RX 4dr SUV

230-horsepower 3.3L V6 5-speed shiftable automatic AWD

90400 mi

US $1500
also they replaced a leaking radiator 
167630 mi

US $730
Engine was overheating when idling. 
85000 mi

US $400
Small coolant leak. Replaced gasket, drained coolant and refilled with fresh coolant. 
107000 mi

US $100
Engine cooling plate was leaking. Minor leak R&R rubber seal and coolant too.  

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2004 Lexus RX 4dr SUV

230-horsepower 3.3L V6 5-speed automatic FWD

110000 mi

US $500
Upper engine torque rod torn bushing replaced. $148.85 Replaced coolant expansion tank w/ fan shroud. $290.21 
127700 mi check engine icon + VSC lit up. Dealer said needed oxygen sensor. Not in stock Car OK to drive. Sent it to me ($200). I installed OK for a day then came on again. Not finished working this problem. 
130000 mi

US $200
engine and vsc icons lit. Even after changing the oxygen sensor they come on and then don't for a few days. Car seems to operate normally. I'll just drive it until a symptom appears. 
138300 mi

US $325
Check engine lights on. Car seemed to run normally. Took it to dealer and it was repaired. 
82400 mi

US $2600
Water pump was leaking 
94000 mi

US $2500
Leaking Oil Pan. Replaced Oil Pan Gasket Leak at Intake Manifold. Replaced Valve Cover Gasket. 

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2004 Lexus RX 4dr SUV

230-horsepower 3.3L V6 5-speed automatic AWD

39425 mi

C $900
Flush and fill coolant. 
158000 mi

US $2700
Timing belt replacement Aluminum radiator leak, needed replacement 
168000 mi check engine light coded for weak cat converter 
126000 mi

US $700
Bad Computer Sensor and Bad Choke 
143800 mi

US $350
Oxygen Sensor 
49000 mi

US $728
Leaking of coolant. Cover was replaced and sealed 
53000 mi

US $400
Oil pan gasket leak 
44020 mi Radiator had a leak. They ran the vin number and told me they will cover the repair. Replaced radiator, hose and coolant. 
128120 mi

C $500
muffler got a hole and melted the evaporator canister and check engine lit and vsc. replaced muffler with a used and evap canister used one 
136400 mi

C $200
replaced 1 coil pack after diagnosis 
68000 mi

US $800
radiator leak and replacement - also PS flush, cabin filter replace and transmission flush 
151800 mi

US $700
Radiator sprang a small leak. Replacement was cheaper than repair. 

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See TrueDelta's information for all SUVs
See TrueDelta's information for all Lexus models.

2004 Lexus RX Engine Problems

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 2004 Lexus RX problems occur, check out our car reliability stats.