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box under left front fender

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Old Mar 29, 2007 | 12:04 AM
  #1  
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Question box under left front fender

what is the box called under the left front fender it has vacum lines and was wondering what it is for thank you this is on early 97
 

Last edited by Schatzzy; Mar 29, 2007 at 12:31 AM.
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Old Mar 29, 2007 | 06:03 AM
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What engine do you have? 4.2/4.6/5.4
 
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Old Mar 29, 2007 | 06:31 AM
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It's a vacuum canister that holds vacuum so that under acceleration, you still have enough vacuum to keep the vents on you climate control from defaulting to defrost. Are you talking about the passenger side?
 
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Old Mar 29, 2007 | 10:15 AM
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Yes I am talking about the passenger side. it is the 4.6 and milage is very high
this box is mounted inbetween the out and iner fender too
 

Last edited by Schatzzy; Mar 29, 2007 at 10:20 AM.
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Old Mar 29, 2007 | 03:21 PM
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got the piece thanks but i would love to be sure what it does for sure and sorry about the mistake about the sides
 

Last edited by Schatzzy; Mar 29, 2007 at 03:24 PM.
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Old Mar 29, 2007 | 05:02 PM
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I just replaced a damaged fender and found the reservoir broken in half. Should run much better now......


 
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Old Mar 29, 2007 | 11:34 PM
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exactly what i replace but is it for heater controls or some thing else



Originally Posted by ncranchero
I just replaced a damaged fender and found the reservoir broken in half. Should run much better now......


 
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Old Mar 29, 2007 | 11:36 PM
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another question i have is why do ford with fuel injection not want to start when the sit for a weekor so i found u have to touch the throtle to get them to start
 
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Old Mar 30, 2007 | 04:47 PM
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1. That is a vacuum reservoir. It is there to keep your vacuum-operated accessories (ie, HVAC controls) from being affected by varying manifold vacuum during different throttle operating conditions.

2. Your IAC valve is probably sticking closed. Cleaning itusually helps in the short term, replacement is usually needed to properly correct.

Steve
 
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Old Mar 30, 2007 | 08:16 PM
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does the 97 5.4 have that same canister? i know i have a small canister about 5in X 5in thats mounted on the battery bracket between the fender. Does the 5.4 also have that huge one between the inner and outer fenders?
 
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Old Apr 1, 2007 | 06:22 PM
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Don't know if the 5.4 has the canister in the fender but the 4.6 does have the same canister behind the battery.
 
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Old Mar 10, 2019 | 02:14 PM
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Originally Posted by ncranchero
I just replaced a damaged fender and found the reservoir broken in half. Should run much better now......


where did you order this from I cant find anything I think it is discontinued if you could help that would be awesome
 
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Old Mar 10, 2019 | 05:33 PM
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The vacuum reservoir is discontinued from Ford.
Since this thread is now 12 years old, they may have still been available new at the time of the previous post.
Unless you luck out and find a dealership that has one still in stock, your best bet is a salvage yard or ebay.
 
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