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#4508735 - 09/06/17 07:03 AM Replace hoses?
Camprunner Offline

Registered: 02/19/08
Posts: 1034
Loc: MA.
What is the current thinking on replacing radiator hoses in both years and or millage?

#4508738 - 09/06/17 07:05 AM Re: Replace hoses? [Re: Camprunner]
Chris Meutsch Offline

Registered: 02/27/06
Posts: 2631
Loc: Cincinnati
I'm going to roll the dice and leave them until 15 years. Less than 3 to go. The coolant has been only Honda blue and changed per the manual.
2005 Honda CR-V EX, 254k.
2008 Honda Pilot EX-L, 96k.

#4508746 - 09/06/17 07:18 AM Re: Replace hoses? [Re: Camprunner]
Chris142 Offline

Registered: 06/05/03
Posts: 16825
Loc: Deplorable in apple valley, ca
Most cars made after 1995 or so use epdm hoses. They dont fail often. Most cars get scrapped with their original hoses. The exception is nissan and Daewoo.

Those 2 use junk hoses.
02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40

#4508748 - 09/06/17 07:19 AM Re: Replace hoses? [Re: Camprunner]
mightymousetech Offline

Registered: 04/03/17
Posts: 1444
Loc: Ontario, Canada
Just grab the hose and squeeze, if you hear any cracking, it is time to replace.
Mighty Mouse Tech
Acura Tech
2010 Civic Si Castrol 0W40, Redline MTL
2013 BMW 135i M Sport Edition Castrol 0W40, Redline MTL

#4508765 - 09/06/17 07:46 AM Re: Replace hoses? [Re: Camprunner]
opus1 Offline

Registered: 12/13/04
Posts: 2498
Loc: Chicago Area
As the service writer at my Chevy dealer once told me, "these ain't your daddy's hoses." They last a lot longer than they used to.

On my old Malibu, the water pump failed before the hoses did. In fact, the hoses didn't fail in the 11 years I owned the car.
Current Fleet:

2010 Hyundai Sonata GLS
2009 Chevy Cobalt SS Sedan (yes,the turbo)
2002 Dodge Dakota SXT Club Cab
1994 Ford Ranger XLT (RIP, Dad)

#4508771 - 09/06/17 07:53 AM Re: Replace hoses? [Re: Camprunner]
bioburner Offline

Registered: 09/19/16
Posts: 1418
Loc: Minnesota
If I have to do a major amount of work in the front of a vehicle that's 10 years old, changing the hoses, belt tensioner bearings and thermostat are on the list as getting back in is a pain and $40 or so is a piece of mind thing. My away from home trips are long

97 Ford E350 D,99 F350 dually D
13 Scion Xb
12 Ford Transit Connect
06 Nissan Xterra
03 K1200 BMW
07 Kawasaki KLR650
13 Madass

#4508774 - 09/06/17 08:07 AM Re: Replace hoses? [Re: Camprunner]
69GTX Offline

Registered: 09/23/15
Posts: 3815
Loc: Connecticut
My 1999 has original hoses in perfect shape. My 2002 is probably getting to the point of replacement at 16 yrs old. I've owned some original Mopars from the late 1960's that had original hoses and drive belts when I bought them at 25+ yrs old. Condition matters much more than age.

2001 Lincoln Cont 4.6L DOHC/ 39K mi / QS HM 5w30 / FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs

#4508781 - 09/06/17 08:24 AM Re: Replace hoses? [Re: Camprunner]
Blkstanger Offline

Registered: 08/13/11
Posts: 1948
Loc: Lakeside, CA
I just did the hoses on my 99 Jeep last year. They were ready.
99 Jeep WJ 4.7 185,000 Maxlife 10w30, Fram Ultra.

#4508784 - 09/06/17 08:26 AM Re: Replace hoses? [Re: 69GTX]
Canadastang Offline

Registered: 12/08/15
Posts: 261
Loc: Ontario Canada
I recently sold a 93 Lincoln with its original hoses (date stamped '93 Motorcraft) and when I changed the rad I looked inside of the upper and lower rad hoses and there was absolutely NO indication of deterioration, erosion, impending failure etc.

Most OEM hoses are going to be way better than any Gates or Dayco aftermarket replacement, so the originals, with the original constant tension clamps went right back on. No leaks afterwards either.

As long as the hose is EPDM (most, if not all modern cars are) and it isn't rubbing anything or getting oil spilled on it (oil will cause an EPDM hose to deteriorate).

Squeeze the hose about 2 inches from the end and compare the way it feels to the middle of the hose. Usually hoses will fail close to the end and become soft, but may look okay. I can't say I've seen an EPDM hose harden, but I suppose it's possible.

Edited by Canadastang (09/06/17 08:26 AM)

#4508791 - 09/06/17 08:31 AM Re: Replace hoses? [Re: Camprunner]
WyrTwister Offline

Registered: 01/13/13
Posts: 1531
Loc: Texas
A lot of things to consider . Obviously , is age of the vehicle . Heat and time are enemies of rubber & plastic .

We recently purchased a 2006 Buick Lacrosse CX 3.8i automatic with 37,000+ miles . Obviously low mileage , but 11 years old .

We may use this car as a road car , when visiting family . Last thing I want is it to pop a hose , out in the middle of no where .

Then there is my age . Every year that goes by , I am less able to work on a car . Especially , out in the middle of no where .

I replaced both radiator hoses , both heater hoses , thermostat and 2both heater elbows .

The OEM elbows are plastic , I replaced them with metal elbows . From what I read , they are prone to leak / break ( very bad place to use plastic ! ) . Mine seemed to be in pretty good condition .

Now , I hope that the cooling system is in good shape , at least for quite a few years ahead .

Oh , almost forgot , most of the coolant drained when I removed the lower radiator hose . I replaced it with 1 gallon of Dexcool , from Walmart . Maybe I should have flushed the engine & installed a different type of coolant ? If it is good 11 years from now , I suppose it was OK ?

Best wishes to all , :-)
God bless

#4508807 - 09/06/17 08:56 AM Re: Replace hoses? [Re: opus1]
Linctex Offline

Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: opus1
As the service writer at my Chevy dealer once told me, "these ain't your daddy's hoses." They last a lot longer than they used to.

Isn't that the truth!!

I haven't replaced a "failed" coolant hose on anything for probably 15 years!!
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

#4508811 - 09/06/17 09:00 AM Re: Replace hoses? [Re: Blkstanger]
gathermewool Offline

Registered: 01/09/09
Posts: 5995
Originally Posted By: Blkstanger
I just did the hoses on my 99 Jeep last year. They were ready.

How could you tell?

I was talked into replacing rad hoses on my '97 Legacy a while back, because they were a little soft. Went against what I thought, but I didn't know much, so I went with it. The new hoses felt/looked/worked identically to the old ones. I did the work myself and wanted to refresh the coolant, so it wasn't a total loss.

#4508874 - 09/06/17 09:50 AM Re: Replace hoses? [Re: Camprunner]
Schmoe Offline

Registered: 05/12/03
Posts: 7256
Loc: Oklahoma
06 Accord and 01 F150 are still on original hoses. I also think location may have something to do with replacement times. Winters are probably the worse conditions for hoses and belts.
01 Supercrew Lariat 4X4
06 Accord EX-L V6

#4508883 - 09/06/17 09:59 AM Re: Replace hoses? [Re: Chris Meutsch]
Kuato Offline

Registered: 10/23/05
Posts: 7094
Loc: Colorado
Originally Posted By: Chris Meutsch
I'm going to roll the dice and leave them until 15 years. Less than 3 to go. The coolant has been only Honda blue and changed per the manual.

thumbsup On a modern vehicle 15 years sounds like a good interval, conservative enough not to have to worry.
Thick vs Thin test: 15k / 43k miles complete

#4509031 - 09/06/17 12:41 PM Re: Replace hoses? [Re: Camprunner]
dogememe Offline

Registered: 04/15/17
Posts: 611
When they break, but if one breaks, change both upper and lower radiator hose at the same time if possible.
2007 Ford Crown Vic P71 4.6 ~124K Miles, SynPower 5W-30, Royal Purple.
2010 Ford Escape 2.5 ~70K Miles, SynPower 5W-30, Wix.
1997 Chevy Suburban 5.7 ~214K Miles, O'Reilly FSHM, MicroGard.

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