Close
Car Questions
RepairPal is your advocate for car care advice and guidance

I have installed thermostats is Ford and GM engines. Why is this one difficult?

(2002 Lexus ES300)
in Kansas City, MO on October 18, 2011
The dealer says Thermostat is stuck open and wants $230+ to replace it. Normally thermostat replacement has been rather simple. Location is at the top of the block under the cap at the end of the radiator hose, 2 screws to open and you are there. What makes this one so complex? Advance Auto Parts has replacement for 1/2 of what you suggest for parts and I think I can do the labor unless there is something I don't know about.
Displaying 1 answers & 2 comments
Popular Answer
on October 18, 2011
REPLACEMENT

DRAIN COOLANT
REMOVE BATTERY
REMOVE AIR CLEANER INLET ASSY
REMOVE AIR CLEANER ASSEMBLY WITH HOSE
REMOVE AIR CLEANER BRACKET
REMOVE AIR CLEANER INLET NO.1
DISCONNECT RADIATOR HOSE OUTLET
REMOVE WATER INLET PIPE

Remove the bolt and water inlet pipe.

REMOVE WATER INLET

Remove the 3 bolts and water inlet.

REMOVE THERMOSTAT
INSTALL THERMOSTAT

Install a new gasket to the thermostat.
Align the thermostat jiggle valve with the upper stud bolt, and insert the thermostat in the water inlet housing.

HINT: The jiggle valve may be set within 15° of either side of the prescribed position.

INSTALL WATER INLET Torque: 8 Nm (82 kgf-cm, 71 inch lbs.)
INSTALL WATER INLET PIPE

Install a new O-ring to the water inlet pipe.
Apply soapy water to the O-ring.
Connect the water inlet pipe to the water inlet.
Install the bolt holding the water inlet pipe to the cylinder head. Torque: 20 Nm (204 kgf-cm, 15 ft. lbs.)

INSTALL AIR CLEANER ASSEMBLY WITH HOSE
CONNECT VACUUM HOSE
ADD COOLANT
CHECK ENGINE COOLANT LEAK

not as easy as you think.

Roy
on October 18, 2011
Thank You. I get it. I'm dated. The last one I changed was a 69 Gran Prix.
on October 18, 2011
dont we all wish they were all that easy.

Roy
RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide. Learn more

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
I have no power when I turn my key it takes 5 to 6 times than it starts why. I will drive 5 miles to a store shut it ...
ill transmission from 2003 gmc siera fit 1990 gmc siera
Didn't find what you were looking for?