MAF Screen in Factory Airbox - Should this have a seal? - MustangForums.com

Go Back  MustangForums.com > Ford Mustang Tech > V6 (1994-2004) Mustangs
Reload this Page >

MAF Screen in Factory Airbox - Should this have a seal?

Notices
V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

MAF Screen in Factory Airbox - Should this have a seal?

Reply

 
 
 
Old 08-20-2015, 04:16 PM
  #1  
SteelerNation82
1st Gear Member
Thread Starter
 
SteelerNation82's Avatar
 
Join Date: Aug 2014
Location: New Jersey
Posts: 80
Default MAF Screen in Factory Airbox - Should this have a seal?

My car is a 2000, stock intake and noticed that the MAF Screen/Strainer which is sandwiched between both sections of the MAF housing sits in there loosely. Loosely as in, it's not going anywhere but has enough room to slide around a bit.

If I unbolt the MAF from the airbox there appears to be a 'notch' or ring seal area in front of it but no o-ring or seal. Should there be an o-ring or seal in there and would this affect anything with the stock intake otherwise? I've seen some used MAF units on ebay and noticed a few of them have what appears to be a gasket or seal of some sort in front of the MAF surrounding the screen.
SteelerNation82 is offline  
Reply With Quote
Old 08-21-2015, 09:12 AM
  #2  
corker
1st Gear Member
 
corker's Avatar
 
Join Date: Feb 2014
Location: FL
Posts: 90
Default

I looked all thru my Mitchell subscription and there isn't a single diagram of the MAF or how is mounted. My son has the car now, so I can't check it out and I don't recall when I had it out to clean it.
Sorry, I am useless this morning!
corker is offline  
Reply With Quote
Old 08-21-2015, 09:15 AM
  #3  
jwog666
5th Gear Member
 
jwog666's Avatar
 
Join Date: Mar 2008
Location: wisconsin
Posts: 2,260
Default

it should not move around, if it can move its leaking unmetered/unfiltered air, if you go to a dealers parts dept, they should be able to pull up a diagram so u can see the associated parts and get what you need
jwog666 is offline  
Reply With Quote
Old 08-21-2015, 10:38 AM
  #4  
SteelerNation82
1st Gear Member
Thread Starter
 
SteelerNation82's Avatar
 
Join Date: Aug 2014
Location: New Jersey
Posts: 80
Default

Originally Posted by jwog666 View Post
it should not move around, if it can move its leaking unmetered/unfiltered air, if you go to a dealers parts dept, they should be able to pull up a diagram so u can see the associated parts and get what you need
That's what came across my mind. The 'mouth' of the housing basically rests/seals itself against the air filter when it's snapped together with cone end of the housing. I'm running a new replacement MC air filter that has a nice thick moulded base that helps keep an air tight seal in that area. However, from the screen back, the only thing sealing the airbox is the thin foam seal sandwiched between the 2 half portions of the MAF housing.

I've tried searching pics of the stock MAF/screen setups and the only thing I can relate to is some used MAF units listed on ebay and some show a sealing 'ring' around the screen and some don't. I've carefully taken apart the airbox when I first got he car and never noticed anything falling out of there.

For reference, here's the only one on I've found online that shows a seal around the screen attached to the MAF.
http://www.ebay.com/itm/1996-97-98-99-00-MUSTANG-MASS-AIR-FLOW-SENSOR-METER-3-8-/111699134710?hash=item1a01c988f6&vxp=mtr
SteelerNation82 is offline  
Reply With Quote
Old 08-21-2015, 10:44 AM
  #5  
SteelerNation82
1st Gear Member
Thread Starter
 
SteelerNation82's Avatar
 
Join Date: Aug 2014
Location: New Jersey
Posts: 80
Default

Did a quick search of Ford's parts catalogue, and it appears they list what they call the MAF o-ring or gasket, but it's $83.00!

I can only assume that's for a bulk pack of 20 of them lol. I'll check with a local dealer and see if this is even still available, but at that price might as well source a used one somehow.

http://www.fordparts.com/Commerce/Pa...&model=Mustang
SteelerNation82 is offline  
Reply With Quote
Old 08-21-2015, 10:05 PM
  #6  
Daehawk
4th Gear Member
 
Daehawk's Avatar
 
Join Date: Mar 2010
Location: TN
Posts: 1,625
Default

Not sure this is the exact one you need but Im using it as an example of what one might cost. This one is just about $6.

LINK

EDIT: Looks like you can get one from a Ford dealer for your make and model for $30 LINK2
Daehawk is offline  
Reply With Quote
Old 09-01-2015, 02:24 PM
  #7  
SteelerNation82
1st Gear Member
Thread Starter
 
SteelerNation82's Avatar
 
Join Date: Aug 2014
Location: New Jersey
Posts: 80
Default

I think I may have found a solution:

I came across some old stock of 3M double sided tape I've had laying around and it gave me an idea. I cut it to length to fit around the screen and then folded the edges over. The screen still fits in the beveled area of the air box and I was able to carefully tighten the MAF down and looks like it's created a nice air tight seal. Once I get a chance to road test I will report back.
Attached Thumbnails MAF Screen in Factory Airbox - Should this have a seal?-20150901_132344.jpg  
SteelerNation82 is offline  
Reply With Quote
Old 09-01-2015, 08:51 PM
  #8  
jwog666
5th Gear Member
 
jwog666's Avatar
 
Join Date: Mar 2008
Location: wisconsin
Posts: 2,260
Default

looks like a clever fix, as long as it seals u are good to go
jwog666 is offline  
Reply With Quote
Old 09-08-2015, 01:19 PM
  #9  
TfcCDR
2nd Gear Member
 
Join Date: Jul 2014
Location: NV
Posts: 219
Default

I wouldn't worry too much over this. The screen is just in case your air filter comes apart (it rarely happens, but does), or you drop a nut into the intake -- it protects the sensor probe from any FOD which might be drawn up the intake at high flow.
TfcCDR is offline  
Reply With Quote
Old 09-08-2015, 04:41 PM
  #10  
jwog666
5th Gear Member
 
jwog666's Avatar
 
Join Date: Mar 2008
Location: wisconsin
Posts: 2,260
Default

Originally Posted by TfcCDR View Post
I wouldn't worry too much over this. The screen is just in case your air filter comes apart (it rarely happens, but does), or you drop a nut into the intake -- it protects the sensor probe from any FOD which might be drawn up the intake at high flow.
the op wasnt worried about the screen, but rather the missing seal in that area that was allowing unmetered air to bypass the MAF
jwog666 is offline  
Reply With Quote

Thread Tools
Search this Thread
Quick Reply: MAF Screen in Factory Airbox - Should this have a seal?


Advertising
Featured Sponsors
Vendor Directory

Contact Us Archive Advertising Cookie Policy Privacy Statement Terms of Service

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.