Do you still have the original radiator hoses in your car? - Toyota Nation Forum : Toyota Car and Truck Forums

Avalon 2nd Generation (2000-2004) Specific discussion of the second generation Toyota Avalon

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post #1 of 16 Old 02-26-2016, 09:47 PM Thread Starter
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Do you still have the original radiator hoses in your car?

Should the upper and lower radiator hoses be replaced as preventative maintenance? Is there a certain mileage or a certain age when they might leak?
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post #2 of 16 Old 02-26-2016, 10:25 PM
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It wouldn't hurt. My fathers car had a busted lower hose, and while he was taking it off the radiator the lower inlet broke off, it's plastic and it meant he had to change the radiator. This happened at around 200K.
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post #3 of 16 Old 02-26-2016, 10:43 PM Thread Starter
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Originally Posted by schmiddr2 View Post
It wouldn't hurt. My fathers car had a busted lower hose, and while he was taking it off the radiator the lower inlet broke off, it's plastic and it meant he had to change the radiator. This happened at around 200K.
Thanks. I've got 81K on my 2003 XLS. But, of course, it is 13 years old. If I change it, I'll sure try to be careful with the radiator.
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post #4 of 16 Old 02-27-2016, 11:20 PM
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It should be performed every time you change your timing belt every 90-100k. Changing timing belt requires draining all coolant, so it's the perfect time to perform preventative maintenance and change radiator hoses, water pump and coolant.
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post #5 of 16 Old 02-28-2016, 10:41 PM
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I believe mine are the originals (2000 with 285kms), but I bought it used so I can't be sure. Toyota hoses last a very long time. I check them regularly, and replace any that develop a soft spot or bulge. The insulator on the upper hose tends to get brittle over time...I've replaced that.
If you do plan to change them, to ease removal simply cut the hose lengthwise at each end with a mat knife. If you wish to re-use a hose, a shot of WD40 before twisting the end back and forth usually helps. A slim screwdriver slipped in between the hose and the rad or T-Stat housing will help the WD get in there. Don't be too forceful, especially on the rad side.
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post #6 of 16 Old 02-29-2016, 07:40 AM
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My Sons car has the originals and they are fine at 90k
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post #7 of 16 Old 02-29-2016, 10:34 AM
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Mine is a 2000 with 128,00 and I have not replaced mine. My mechanic that changed the timing belt at 90,000 said the hoses were still in great shape.
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post #8 of 16 Old 03-01-2016, 06:35 PM
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I just changed originals on a 01' at 178k miles just because I was changing the radiator at the same time they still seemed decent but were cheap and I was already draining everything.
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post #9 of 16 Old 03-11-2016, 12:52 PM
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Mine is a 2003 with 276k on it, still original hoses. I'll probably replace them at 280k with the next timing belt. They're not soft, but they are a little more gray than black these days
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post #10 of 16 Old 03-11-2016, 03:41 PM Thread Starter
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Originally Posted by djlittle21 View Post
Mine is a 2003 with 276k on it, still original hoses. I'll probably replace them at 280k with the next timing belt. They're not soft, but they are a little more gray than black these days
Wow! I guess I won't worry about changing them anytime soon. I'll just keep a roll of duct tape in the trunk in case I ever get a leak.
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post #11 of 16 Old 03-21-2016, 09:18 PM
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Still the originals in my 02 with 149,000 miles. Also have the originals still in my 96 Camry with 217,000 miles.

1996 Camry 5SFE Automatic J-vin
2002 Avalon XLS
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post #12 of 16 Old 03-03-2017, 07:14 PM
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Late to the game.. but I have 188,000 on my 2003 Avalon... New hoses are cheap.. $30 for Gates - I will replace them @ 200K when I change the coolant..

CraZySteve
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2011 Highlander Base - V6/4wd
2003 Avalon XLS - 182,000 (9/2016)
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post #13 of 16 Old 03-04-2017, 12:35 AM
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I don't have any maintenance documentation, but AFAIK my Echo did. The radiator busted before the hoses, so if they were original, it's a minor miracle they lasted this long first in Southern California dry rot heat, then in punishing Texas heat, and a year including NY winter salt in between. 263k miles.

'00 Toyota Echo - dead 02/17
'67 Mustang Convertible - gone 01/17
'14 Chrysler T+C - Wifey's hauler!
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post #14 of 16 Old 03-04-2017, 12:21 PM
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Just had to change them at 220K, broke the upper neck on radiator trying to pull off the hose; new radiator and hoses. Hoses actually looked ok. Should have used this:
https://jet.com/product/detail/95f34...a:2&code=PLA15
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post #15 of 16 Old 03-12-2017, 10:53 AM
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Yeah, you've got to be careful, especially on the rad end of the hose. The engine end of the lower hose can't handle much force either. If you are replacing a hose that has been on a long time it is usually best to use mat knife to slice it lengthwise to the end of the rad hose neck. If you plan to re-use a hose try spaying WD40 between the hose and neck and twist it back and forth before pulling real hard. Don't use pliers or a large screwdriver to force it off. A very small screwdriver can be helpful to get the WD40 in between.
If it makes you feel any better, I broke the neck off my rad (just by touching it...honest). I guess the plastic gets kinda brittle after 17 years. At least it happened in the driveway, not out on the road...it was -25C that day! I replaced it with a Spectrum brand rad...only one I could get in a hurry. I used a Denso rad on my son's car which on first impression looks better, but I've never had a problem with Spectrums. They are made here in Canada, not China. In either case I would recommend the "HD Towing Package" rad. It has a 1" core instead of the normal 5/8". It's only a few bucks more. I don't know if the Trans cooler is any bigger...never cut one open to look. I always use an auxiliary trans cooler if I plan on towing.
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