Question about 2002 Kia Optima

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Lower radiator hose replacement

Need to change lower radiator hose need diagram

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Go to www.kiatechinfo.com and make a free account. Then put in the model and year. This is the exact same site that the Kia mechanics use. It can be hard to figure out though if you are not used to it.

Posted on Apr 30, 2013

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Posted on Jan 02, 2017

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SOURCE: 2003 kia optima over heating

out from bottom to top

Posted on Nov 15, 2008

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Engine Diagrams


Hello. Here a non-photo diagram. Hope this helps!!!

The thermostat is located on the side of the water pump, the water pump is located just above the a/c compressor, the thermostat is fed coolant from the radiators lower radiator hose.
Thermostat :
1. drain coolant and tighten drain plug ( easier method : remove radiator cap, get big drain pan, place drain pan under lower radiator hose to radiator connection, remove clamp, slowly remove hose, allow coolant to drain into pan, now is a good time to remove radiator hose and clamp from thermostat housing )
2. remove thermostat cover / cap ( easiest to get at this when front of car is supported by jack stands and right hand side lower cover is removed ).
3. thermostat cap is held on by 3 bolts / remove thermostat.

You will notice that the thermostat's air bleed hole is pointing up and lines up with notch in water pump housing,,

ATTENTION :failure to install new thermostat in the correct location will cause engine to overheat.

1. install new thermostat to water pump, make sure air bleed hole lines up with notch, install and tighten bolts, install a new lower radiator hose, fill cooling system.

thermostat # 17670-77E00
lower radiator hose #17854-65G20
hose clamp #09401-36403
upper radiator hose # 17852-65G20

Suzuki factory manual

Oct 21, 2013 | Cars & Trucks

1 Answer

I need a radiator diagram


there is a lower hose/ an upper hose/ some have a heater hose connection and 2 cooling lines for the transmission..

Feb 10, 2013 | Cars & Trucks

1 Answer

Ok, g35 coupe 06,52k miles Had over heating problem in april 2010,replaced thermostat, all's well. Now Jan 2011 overheating again, noticed upper & lower radiator hoses collapse, changed thermostat...


Heres a couple of things you can check. Start your car and remove the radiator cap,(before it gets hot mind you) when it reaches norm operating temp, look inside radiator to see if water is circulating. If its not moving, its a bad water pump. Also, youre hoses should never collapse, if they collapse when they get hot maybe you need new hoses? Finally, if those dont work, flush out your radiator. Open the bottom cockpit and use a garden hose and let it flush out the system while the car is running, about 10 mins should do the trick. If the radiator looks clean inside then it doesnt need flushed.

Jan 04, 2011 | 2006 Infiniti G35

1 Answer

Where is the plug to drain the antifreeze


The drain plugs were eliminated soon after can manufacturers changed from metal to plastic radiators. You'll need to loosen the clamp on the lower radiator hose and then remove the hose in order to drain the coolant. Be careful not to break the hose mount when doing this, or you'll need to replace the entire radiator. If the hose shows any wear or signs of fatigue, you'll be better off cutting it length-wise and peeling it off, and then installing a new lower hose.

Bill B

Sep 18, 2010 | 1999 Oldsmobile Aurora

2 Answers

How do i change the radiator hose?


BUY YOUR RADIATOR HOSES FIRST MAKE SURE NEW HOSES MATCH THE OLD HOSES. BUY NEW RADIATOR CLAMPS AND HAVE EXTRA GALLON OF ANTIFREEZE. MAKE SURE ENGINE IS COOL IF YOU GOING TO CHANGE TOP RADIATOR HOSE REMOVE RADIATOR CAP OR OVER FLOW JUG CAP IF YOUR RADIATOR DONT HAVE RADIATOR CAP FIND RADIATOR DRAIN PLUG.PLACE A CATCH PAN.OPEN RADIATOR DRAIN PLUG CATCH ANTIFREEZE. DRAIN HALF ANTIFEEZE IF YOU GOING TO REPLACE TOP HOSE AND DRAIN OUT ALL ANTIFREEZE IF YOU GOING TO CHANGE LOWER COOLANT HOSE TO WATER PUMP.WHEN DONE CLOSE DRAIN PLUG.PUT ANTIFREEZE IN A SAFE PLACE FROM PETS AND KIDS UNTIL JOB DONE. WHEN YOU REMOVE COOLANT REMOVE WATER HOSE CLAMPS THEN REMOVE RADIATOR HOSES PUT NEW RADIATOR HOSES AND CLAMPS ON HOSES TIGHTEN HOSE CLAMPS DONT OVER TIGHTEN. POUR ANTIFREEZE IN RADIATOR.CRANK ENGINE UP CHECK FOR LEAKS.CHECK COOLANT LEVEL WHEN THERMOSTAT OPENS ADD MORE COOLANT AS NEEDED.

Jun 13, 2010 | 1991 Buick LeSabre

2 Answers

Leaking radiator fluid where lower hose connects w/core


Hi:

If you have a leak near the lower radiator connection that just started, it is either a failed hose, or possibly a radiator core leak that is dripping down to that area.
If you havent changed your radiator hoses for awhile, and they feel soft, it isn't a bad idea to change them both. If you drain your radiator to change the hoses, this would be a good time to inspect the radiator, and perhaps you will find the source of the leak.

Jan 31, 2010 | 1994 Jeep Grand Cherokee

1 Answer

I need to replace my radiator on a 04 Nissan Titan 5.6 2 WD, and I would like a diagram showing how to do it.


From the 2004 Titan Factory Service Manual, You can get one Promanuals. I hope this helps. It's straight forward procedure.

1. Drain engine coolant from the radiator.

2. Remove air cleaner and air duct assembly.

3. Disconnect A/T fluid cooler hoses.
(Install blind plug to avoid leakage of A/T fluid)

4. Disconnect radiator upper and lower hoses from radiator.
CAUTION:
Do not allow coolant to contact drive belts.

5. Remove the lower radiator shroud.
( Release the tabs, pull lower radiator shroud rearwards and
down to remove.)

6. Remove the radiator shroud upper bolts and remove the radiator
shroud upper.

7. Remove the A/C condenser bolts and brackets.
NOTE:
Lift A/C condenser up and forward to remove from radiator.

8. Remove A/T oil cooler bolts and oil cooler from radiator and
position aside.

9. Lift up and remove the radiator.
CAUTION:
Do not damage or scratch air conditioner condenser and
radiator core when removing.
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Oct 10, 2009 | 2004 Nissan Titan

1 Answer

Need diagram of engine for 2002 cavalier z24


Its the upper radiator hose should be located topside beside the engine oil dipstick,any smaller hoses you have running into the radiator are heater hoses, the lower radiator hose is where coolant enters from radiator into engine and is pumped up with water pump thru water jackets in engine and eventually returns thru the upper radiator hose which is most prone to damage due to splitting and cracking, I hope this helped.

Apr 22, 2009 | 2002 Chevrolet Cavalier Coupe

1 Answer

Lower radiator hose


after looking over the situation, and seeing what a horrible mess Ford made of the location of the lower hose connection location, i decided that the lower hose did not need replacement.
just my amateur thoughts on this, but if an item like a radiator hose needs to be replaced on a fairly regular basis then the design engineers need to keep this in mind when designing the engine in the first place. putting the clamped end of the hose in a position where it's not accessible is not just stupid. i've enjoyed having this car, for the most part, since the day it was purchased. changing the oil, and other maintenance items, is relatively straight forward. the lower hose has completely irritated me. there is no excuse for design professionals (and i use that term loosely!) to make such an obvious mistake. anyone who has ever worked on their own car would not have let this engine leave the shop on ANY car, let alone a car that was purchased by people on a budget who wouldn't want to spend gobs of money on paying a mechanic to change a stupid radiator hose.
my 2 cents.
thanks for offering to help.
norm

Jan 11, 2009 | 1999 Ford Escort

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