Oil leaking around lower intake?

Zatrekaz · January 9th, 2012, 10:40 PM

Would this happen? I was looking at the engine and I can see a large accumilation of oil sepping from what looks like the lower intake gasket.

I would imagine no oil would even be in the lower intake... am I wrong?

Should I replace the gasket for the lower intake? If so... is this what I need? Felpro/Intake Manifold Gasket (MS95985) | 2003 Ford Mustang 6 Cylinders 4 3.8L SFI | AutoZone.com

stephen · January 9th, 2012, 10:46 PM

Yes. Oil could leak from the lower intake manifold gasket. If you replace it be sure to put some RTV at the corners where the gaskets come together.

If the leak is around the front of the engine it could also be the front cover gasket.

Zatrekaz · January 9th, 2012, 10:49 PM

It is on the front. Should I go with the gasket I linked? Seems hella expensive for just a gasket.

mustangmike! · January 9th, 2012, 11:10 PM

lower intake gaskets are not cheap, its a 4 peice kit, and you need some RTV with it. I love RTV

used it on many gaskets in my car.

mustangmike! · January 9th, 2012, 11:11 PM

Id go to a store for it in person, and not autozone, but thats jsut me. Bad experience w/ out autozone....

Zatrekaz · January 10th, 2012, 03:11 AM

I started taking it apart tonight, but reilized I need a special tool to disconnect the fuel line. I also have to drain the coolant, which I JUST replaced. I did notice a lot of oil in the runners however. Is that normal? One of them had no oil... kinda odd.

I may wait a few to do this. I don't think its that big of a worry... right?

str8chillng · January 10th, 2012, 04:01 AM

Originally Posted by Zatrekaz

I started taking it apart tonight, but reilized I need a special tool to disconnect the fuel line. I also have to drain the coolant, which I JUST replaced. I did notice a lot of oil in the runners however. Is that normal? One of them had no oil... kinda odd.

I may wait a few to do this. I don't think its that big of a worry... right?

Here's the tool you'll need
OEM/5/16, 3/8, 1/2, 5/8, 3/4 and 7/8 in. A/C and fuel line disconnect tool set (25052) | Line Disconnect Tool | AutoZone.com

I’d be suspicious about the oil though.

Zatrekaz · January 10th, 2012, 04:09 AM

ya... I think I am gonna take one of the oil covered plugs to a shop and show them along with the info about the intake paths bein covered in oil and see what they tell me.

Wish I had a friend who lived near by that had done more internal work that me

xtreme 2 · January 10th, 2012, 09:21 AM

yea there is oil in the lifter valley that can seep up through the lower gasket if it's not sealing properly.

Don't disconnect the fuel line, just move the fuel rail to the side. Keeps you from dealing with the mess it makes.

Zatrekaz · January 10th, 2012, 10:57 AM

It looked like I had to remove the fuel injectors however. How can I do that without disconnecting the fuel?

xtreme 2 · January 10th, 2012, 11:25 AM

just pull slightly where the injectors seat in to the head. They are just held in with an o-ring. Pop them all off and then the fuel rail will come up as a complete unit.

There is enough fuel line that allows to lay it on the strut tower.

January 9th, 2012, 10:40 PM	#1
Zatrekaz Wax on, Wax off 2003 Mustang V6 16.8@83.3 Join Date: Aug 2007 Location: Mississippi Posts: 6,954 iTrader: 15 reviews	Oil leaking around lower intake? Would this happen? I was looking at the engine and I can see a large accumilation of oil sepping from what looks like the lower intake gasket. I would imagine no oil would even be in the lower intake... am I wrong? Should I replace the gasket for the lower intake? If so... is this what I need? Felpro/Intake Manifold Gasket (MS95985) \| 2003 Ford Mustang 6 Cylinders 4 3.8L SFI \| AutoZone.com __________________ Black Bullitt Rims FT/FS Looking to Sell or Trade for Silver FR500s Looking to buy a lot of 99-04 Interior Pieces If you have any for sale, PM me

January 9th, 2012, 10:49 PM	#3
Zatrekaz Wax on, Wax off 2003 Mustang V6 16.8@83.3 Join Date: Aug 2007 Location: Mississippi Posts: 6,954 iTrader: 15 reviews	It is on the front. Should I go with the gasket I linked? Seems hella expensive for just a gasket. __________________ Black Bullitt Rims FT/FS Looking to Sell or Trade for Silver FR500s Looking to buy a lot of 99-04 Interior Pieces If you have any for sale, PM me

January 9th, 2012, 11:10 PM	#4
mustangmike! I Post Entirely Way Too Much 2004,1994,1967 14.37 @ 96 Join Date: Aug 2008 Location: Texas Posts: 6,018 iTrader: 1 reviews	lower intake gaskets are not cheap, its a 4 peice kit, and you need some RTV with it. I love RTV used it on many gaskets in my car. __________________ 227whp N/A V6 Now w/ 8th Mile 8s ! How To Jmod Your Late Model 4R70W

January 9th, 2012, 11:11 PM	#5
mustangmike! I Post Entirely Way Too Much 2004,1994,1967 14.37 @ 96 Join Date: Aug 2008 Location: Texas Posts: 6,018 iTrader: 1 reviews	Id go to a store for it in person, and not autozone, but thats jsut me. Bad experience w/ out autozone.... __________________ 227whp N/A V6 Now w/ 8th Mile 8s ! How To Jmod Your Late Model 4R70W

January 10th, 2012, 03:11 AM	#6
Zatrekaz Wax on, Wax off 2003 Mustang V6 16.8@83.3 Join Date: Aug 2007 Location: Mississippi Posts: 6,954 iTrader: 15 reviews	I started taking it apart tonight, but reilized I need a special tool to disconnect the fuel line. I also have to drain the coolant, which I JUST replaced. I did notice a lot of oil in the runners however. Is that normal? One of them had no oil... kinda odd. I may wait a few to do this. I don't think its that big of a worry... right? __________________ Black Bullitt Rims FT/FS Looking to Sell or Trade for Silver FR500s Looking to buy a lot of 99-04 Interior Pieces If you have any for sale, PM me

January 9th, 2012, 10:46 PM	#2
stephen Hardcore Enthusiast Join Date: Feb 2007 Posts: 1,262 iTrader: 0 reviews	Yes. Oil could leak from the lower intake manifold gasket. If you replace it be sure to put some RTV at the corners where the gaskets come together. If the leak is around the front of the engine it could also be the front cover gasket.

January 10th, 2012, 04:09 AM	#8
Zatrekaz Wax on, Wax off 2003 Mustang V6 16.8@83.3 Join Date: Aug 2007 Location: Mississippi Posts: 6,954 iTrader: 15 reviews	ya... I think I am gonna take one of the oil covered plugs to a shop and show them along with the info about the intake paths bein covered in oil and see what they tell me. Wish I had a friend who lived near by that had done more internal work that me __________________ Black Bullitt Rims FT/FS Looking to Sell or Trade for Silver FR500s Looking to buy a lot of 99-04 Interior Pieces If you have any for sale, PM me

January 10th, 2012, 09:21 AM	#9
xtreme 2 Hardcore Enthusiast 2001 v6 premium Join Date: Nov 2008 Location: Tulsa, OK Posts: 1,340 Blog Entries: 1 iTrader: 0 reviews	yea there is oil in the lifter valley that can seep up through the lower gasket if it's not sealing properly. Don't disconnect the fuel line, just move the fuel rail to the side. Keeps you from dealing with the mess it makes. __________________ Screw it, coming to play with the big boys... 5.4L Vortech COMING SOON!

January 10th, 2012, 10:57 AM	#10
Zatrekaz Wax on, Wax off 2003 Mustang V6 16.8@83.3 Join Date: Aug 2007 Location: Mississippi Posts: 6,954 iTrader: 15 reviews	It looked like I had to remove the fuel injectors however. How can I do that without disconnecting the fuel? __________________ Black Bullitt Rims FT/FS Looking to Sell or Trade for Silver FR500s Looking to buy a lot of 99-04 Interior Pieces If you have any for sale, PM me

January 10th, 2012, 11:25 AM	#11
xtreme 2 Hardcore Enthusiast 2001 v6 premium Join Date: Nov 2008 Location: Tulsa, OK Posts: 1,340 Blog Entries: 1 iTrader: 0 reviews	just pull slightly where the injectors seat in to the head. They are just held in with an o-ring. Pop them all off and then the fuel rail will come up as a complete unit. There is enough fuel line that allows to lay it on the strut tower. __________________ Screw it, coming to play with the big boys... 5.4L Vortech COMING SOON!

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