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Procedure for fixing "Y" connectors on heater hoses leaking coolant

tomhanrath
January 17, 2013
 3
 0
Description:
Replacing the Y-adapter for Heater Hoses 2008 Dodge
Caravan
How did we know we had a problem?
There were fumes coming in through the vents and defrost.
The fumes where vaporized coolant (I'd smelled them before...it smells a bit like burned
paper)
We thought it might be a cracked heater core but it turns out that fumes in the engine
compartment will enter into the cabin because the air system gets "fresh air" from the
area between the hood and the windshield...and so the fumes are coming out of the engine
compartment right where the fresh air intake is.
So I started the engine and looked for dripping coolant...a flashlight helps you find it
pretty quick. And as most people have found the plastic "Y" adapter from the heater
hoses is failing. Well there is actually two identical "Y" adapters. One is sending coolant
to the heaters in the front and back of the vehicle and the other is receiving the coolant
back to the engine. The front top Y adapter is sending coolant out from the engine...or at
least it is my guess because it gets hot first. :)
...More description with pictures

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Where did I get the Parts?
3/4 Inch Heater Coolant Hose
You need 6 feet of it. I got it at Canadian Tire. It's not obvious...it's in a plastic bag near
some other automotive parts for flushing rads. I had to ask for it. Make sure it's 3/4 inch.
For the Americans...I'm not sure where you go to get various car related things but it
should be an easy find at a store where you buy automotive supplies.
Brass Block and brass pipe for the "T"
The brass blocks were the most difficult to find but wherever you look...THINK
PLUMBING and NOT automotive. I got mine at a Home Hardware. Home Depot didn't
have them...but I'm getting use to that. I usually go to Home Hardware first. Sorry...not
sure what stores Americans have...Home Depot for sure...but not sure about Home
Hardware. If you can't find exact just try to get something that doesn't corrode and can
easily receive a 3/4 inch hose and can take 220 degrees Celsius with a bit of pressure.
I know stainless is ok from other web searches.
Buy the hose first! It's cheaper and you can bring it with you to try fittings.
Ordinary Hose Clamps
Just about anywhere hardware related.
I'd also like to highlight the "needle nose Vice grips". You can't work with those
manufacturer's hose clamps without them. Adjust them so that they lock the clamp open
and then you can wiggle them around to slide them up or down the hose.
Where did I get the Parts? 3/4 Inch Heater Coolant Hose You need 6 feet of it. I got it at Canadian Tire. It's not obvious...it's in a plastic bag near some other automotive parts for flushing rads. I had to ask for it. Make sure it's 3/4 inch. For the Americans...I'm not sure where you go to get various car related things but it should be an easy find at a store where you buy automotive supplies. Brass Block and brass pipe for the "T" The brass blocks were the most difficult to find but wherever you look...THINK PLUMBING and NOT automotive. I got mine at a Home Hardware. Home Depot didn't have them...but I'm getting use to that. I usually go to Home Hardware first. Sorry...not sure what stores Americans have...Home Depot for sure...but not sure about Home Hardware. If you can't find exact just try to get something that doesn't corrode and can easily receive a 3/4 inch hose and can take 220 degrees Celsius with a bit of pressure. I know stainless is ok from other web searches. Buy the hose first! It's cheaper and you can bring it with you to try fittings. Ordinary Hose Clamps Just about anywhere hardware related. I'd also like to highlight the "needle nose Vice grips". You can't work with those manufacturer's hose clamps without them. Adjust them so that they lock the clamp open and then you can wiggle them around to slide them up or down the hose.
0 2013/01/17 16:22:46 tomhanrath
01 Problem area
01 Problem area
0 2013/01/17 16:22:46 tomhanrath
Why didn't I get the part at the dealership?
Well to be honest I do like to fix things myself but I'd much rather do it with my brother
and working in his garage. I was tempted to "throw" money at the problem but there are
a couple things to note:
· An ordinary parts supplier is not likely to have this particular set of parts
· The dealer ship does not sell the "Y" adapters OR even the "Y" adapter and
attached rubber hoses. Instead they will sell you the whole assembly with the
silly alluminum tubing which I had no plans on changing. And just the parts was
$220. And I'm not real certain if that was one Y adapter or BOTH.
· Yeah thats right. There are two plastic Y adapters, which I discovered when
trying to replace one...and I cut the wrong hose. <grin>
· If I bought the parts and paid the labour it would have come to the $500 estimate
or more...and again I don't know if that is for one or both.
· I probably might have still broke down and paid the money even for the changing
labour too...if it wasn't that I'd be getting the same piece of crap the manufacturer
put in...which is likely to crack again.
Why didn't I get the part at the dealership? Well to be honest I do like to fix things myself but I'd much rather do it with my brother and working in his garage. I was tempted to "throw" money at the problem but there are a couple things to note: · An ordinary parts supplier is not likely to have this particular set of parts · The dealer ship does not sell the "Y" adapters OR even the "Y" adapter and attached rubber hoses. Instead they will sell you the whole assembly with the silly alluminum tubing which I had no plans on changing. And just the parts was $220. And I'm not real certain if that was one Y adapter or BOTH. · Yeah thats right. There are two plastic Y adapters, which I discovered when trying to replace one...and I cut the wrong hose. <grin> · If I bought the parts and paid the labour it would have come to the $500 estimate or more...and again I don't know if that is for one or both. · I probably might have still broke down and paid the money even for the changing labour too...if it wasn't that I'd be getting the same piece of crap the manufacturer put in...which is likely to crack again.
0 2013/01/17 16:22:46 tomhanrath
 

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