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Old 04-26-2010, 10:49 AM
john doe 69 john doe 69 is offline
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Default Coolant leak from heater hoses on 2.3 gas.

I have a 1987 Ranger with two wheel drive. It has a 2.3 liter gas fi engine. It has a automatic transmission. There is a leak at the tee fitting next to the valve cover. What's the small hose that runs to the back of the engine do? Where does it run to?
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Old 04-26-2010, 11:00 AM
Highwayman Highwayman is offline
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Default Re: Coolant leak from heater hoses on 2.3 gas.

That small hose is for the vacuum actuated valve that allows heated water to reach the heater core. I just replaced this valve on my 1996 Ranger last weekend.
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Old 04-27-2010, 03:56 AM
KingRanger KingRanger is offline
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Default Re: Coolant leak from heater hoses on 2.3 gas.

Please ignore this, I don't know how to delete a reply.

Last edited by KingRanger; 04-27-2010 at 04:01 AM. Reason: Answered my own question.
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Old 04-27-2010, 05:15 AM
sgtsandman sgtsandman is offline
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Default Re: Coolant leak from heater hoses on 2.3 gas.

The small hose runs to the throttle body for anti icing purposes. In certain weather conditions, ice can build up in the intake and affect performance and mileage if any ice were to build up.
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Old 04-27-2010, 09:48 AM
modelageek modelageek is offline
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Default Re: Coolant leak from heater hoses on 2.3 gas.

Quote:
Originally Posted by john doe 69 View Post
I have a 1987 Ranger with two wheel drive. It has a 2.3 liter gas fi engine. It has a automatic transmission. There is a leak at the tee fitting next to the valve cover. What's the small hose that runs to the back of the engine do? Where does it run to?
there is a vacuum line for the heater control valveon models woith AC, but you might be talking about the small hose that feeds coolant to the TB or intake.....replace it f it is leaking......
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Old 10-11-2010, 05:15 PM
DeckedOut DeckedOut is offline
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Default Re: Coolant leak from heater hoses on 2.3 gas.

Ignore, sorry for necroing, incorrect post.

Last edited by DeckedOut; 10-11-2010 at 05:22 PM.
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