wilderg88

these hoses were disconected when i bought the car. i have no idea where they go nor what this is used for could someone please help me figure out what this is and where the hoses go.


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wilderg88

also just my luck the hose right behind the piece just broke it seams like a bitch to replace because it goes under the injection system any sugestions?

87 t-66

iTrader: (133)

there are vacuum diagrams in the FSM...

wilderg88

ive looked but still have no idea what it does.

HAILERS

Water thermo valve that operates the double throttle diaphram when the engine is cold. See FSM for double throttle diaphram and water thermo valve.

wilderg88

thanks a ton man

wilderg88

any easy way to replace this hose? it seams like it is going to be a bitch to replace.

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HAILERS

Here's a jpg out of the series five FSM, Fuel and Emissions section. It's a better view than the series four FSM.

One of the two hose is vacuum. It comes from a nipple about a half foot directly below the plastic, two nipple, water thermo valve.

None is worth fixing if the double throttle diaphram is busted. Check to see if it's any good. Put a piece of vacuum hose on the diaphram and suck on it. It should move the diaphrams linkage to the throttle body. IF it won't hold vacuum, you need a new one.

HAILERS

Not easy on a series four non turbo nor a Turbo. I don't really remember much about it, even though I've replaced one once on my non turbo.

Seems it's almost easier to just remove the throttle body (four nuts and some knick knacks) to give you more room. It also depends a bit on what type clamp is on the bottom of that hose and whether a pair of needle nose pliers can get at it. It's the hose that feeds the throttle body and flows on to the fitting on the side of the BAC and then flows on to the back of the water pump housing.

Like I say, I don't remember a lot about how I did it.

Seems the last guy who put that one on your engine used a screw clamp. IF he did that at the bottom. tuff.

wilderg88

i did a temporary fix but dont know how much it will last. i just hope it lasts me till the weekend because this is my daily driver=(. i clamped 2 hoses together.

mazdaverx713b

iTrader: (91)

what makes it difficult to remove is that the other end of that hose is going to a large nipple on the rear iron. that nipple provides coolant to the throttle body and is a pain to remove due to the lack of space available to get pliers in there to compress the spring clamp. HAILERS said good luck if its a worm gear/screw type clamp because its even harder with one of those installed. at that point you are picking up the manifold while a buddy gets his fat hands in that tiny space with a screwdriver to loosen that clamp.

bokboked

iTrader: (1)

+1 that hose is a biotch to get too and it is even harder to take off the clamps because they're so old and they're in hard to reach areas.

InsomniacFC

iTrader: (4)

My dad and I spent a good few hours using long needle nose pliers trying to remove that hose after it broke down at the bottom. It can be done, but it is a pain in the butt. If I had to do it over again I would take the UIM off and replace it with a dealer supplied hose.

wilderg88

thanks for all the help guys im going to try and get that replaced this weekend. ill probably try and do it the hard way with pliers and if that dosent work ill have to start taking stuff out =(