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Nov 17, 2005 | 08:34 PM

DaddyMouse

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Joined: May 2004

Posts: 22

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From: Silver City Nm

Ping, ping, and more ping

After parking my Aerostar for a year because of ping (didn't want to blow up the engine) I finally got a chance to work on it again. I would be most appreciative if some one could tell me which vacuume line to use and where to locate it to use to pull a can of "Sea Foam" top end cleaner into the engine. Also, any precautions to use during this proceedure? Thanks.
Tom

Nov 17, 2005 | 10:12 PM

xuzme720

Elder User

Joined: Jul 2005

Posts: 560

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From: Houston,TX

make sure the neighbors have their windows closed. lol other than that, no. just listen to the engine while doing the treatment, too much seafoam at one time will stall the engine. just keep rpm's up around 2,000, and let it take it in slowly. I did mine through the booster line, pouring from the can to give better flow control. don't worry about spillage as the vacuum is strong and will actually pull the stream into the line.the booster line is connected to the brake booster, the big round thing behind the master cylinder for the brakes. it's a rubber line about 1/2" thick and it plugs into the booster to the left of the master cylinder when standing at the grill looking to the rear of the van. sorry if I made this too simplistic, but you seemed a little lost in regards to the vacuum system.
regards, Gary.

Nov 17, 2005 | 10:40 PM

Nappers

Senior User

Joined: Oct 2003

Posts: 124

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From: Northern California

I used seafoam with positive results. I followed the directions (8oz) and poured in a measuring cup and pulled the vacuum line off of the brake booster and reved it up around 2000 rpm and stuck the vacuum line in the cup and it sucked it in then died. I let it sit for 10-15 minutes then started the van. It smoked then I drove it till it stopped smoking. I noticed a huge improvement. It sure had more power on the hills and just overall performance.

I read in posts in this forum and others around to follow the directions on the can. I've read to use the whole can or 1/2 or 1/3 or whatever, mostly read to follow directions on can.

Good luck.

Do a ping search on this site and you may get more help.

Aaron
Nappers

Nov 18, 2005 | 11:43 AM

TallPaul

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Joined: Jan 2000

Posts: 5,860

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From: Metro Detroit (Redford)

You can do what I did. Get the engine fully warmed up and then in the driveway pull the intake duct off. Now you can pour the stuff in the intake just in front of the throttle body and work the throttle by hand to keep from killing it. I fed my wife's Aerostar a pint of water this way in about one minute. The whole area smelled like spent firecrackers when I was done. Wear work gloves as it is hot under the hood.

BTW, still didn't cure my knock, nor the Italian Tuneup, nor anything else I tried, but for mixing 87 and 93 octane slightly favoring the 93. Now I am running Fuel Power and waiting to see if the knock goes away.

Nov 19, 2005 | 10:20 PM

DaddyMouse

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Joined: May 2004

Posts: 22

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From: Silver City Nm

I hate to be a bother but some of the above suggestions require knowing where certain parts are located, i.e. O2 sensor, NO sensor, and a plug to retard the factory set timing by 4 degrees. I have the 1993 Aerostar factory Powertrain / Drivetrain service manual, the body/chassis service manual, and the electrical and vacuum troubleshooting manual and no where does it mention or show the location of these parts. All the manuals refer me to the Emission Diagnosis / Powertrain Control Manual (which I obviously don't have) Checking Ford's web site shows that their publications only go back to 1994. My 4L Aerostar was origionaly from California so I'm sure all the specs are different from the other 49 states. Any suggestion where I can buy this manual or get the information? Thanks for your help.
Tom

Nov 20, 2005 | 01:49 AM

copper_90680

Postmaster

Joined: Sep 2003

Posts: 4,452

Likes: 1

From: Southern California

Download it for free from Jonheese.com. Also, '93 4.0L should have an O2 sensor right before the Catalytic Converter. If not, someone has been messing around with the emission system before you got the van.

Nov 20, 2005 | 07:25 AM

96_4wdr

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Joined: Apr 2005

Posts: 5,720

Likes: 5

From: Washington state

DadMouse,
not a bother, but a good question, we are all in the learning curve with Ford's only Super Van-the Aero
copper has sent u to the right place for free cd
the cd iso file you want is in the particular truck year, Aero is in the truck section, complete with pics and troubleshooting flow charts.
the 4L octane plug is in the center left of the firewall behind battery and above brake booster