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"Sea Foaming"


williamigriffith

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2003
Make / Model
Ford
Transmission
Automatic
Is there a downside to Seafoaming? What is the recommended procedure?

Griff
 


Beanmachine7000

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Location
Tennessee
Vehicle Year
1991
Make / Model
Ford
Engine Size
4.0L
Transmission
Manual
Sucking in too much could cause you to hydrolock your engine, I've sucked in enough to kill it before and never done caused any damage, just go slow... What I do is suck in half a can or so through the brake booster vacuum hose and throw the rest in the gas tank...
 

TomB1269

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Automatic
I have used the hand pump brake bleeders with the resevior attachment and fed it in on the vaccum line just behind the throttlebody on an 02 3 liter. I could control the flow by blocking the open end.
 

SixFoFalcon

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1999
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Ford
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3.0L
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Automatic
Per the Ford TSB:

Article No:
01-19-7

10/01/01

^ ENGINE - 4.0L OHV - CARBON KNOCK ON ACCELERATION

^ NOISE - CARBON KNOCK ON ACCELERATION - VEHICLES EQUIPPED WITH 4.0L OHV ENGINE ONLY

FORD:
1990-1997 AEROSTAR
1990-2000 EXPLORER, RANGER

ISSUE
Some vehicles equipped with the 4.0L OHV engine may exhibit an engine noise which may be perceived by the customer as a piston/connecting rod bearing knock. This carbon knock is heard only under load during the drive cycle. Carbon knock is a customer drive duty-cycle phenomenon that cannot be repaired with an engine exchange. This may be caused by carbon build-up within the combustion chamber.

ACTION
Verify condition. If normal diagnostics fail to correct the condition, de-carbon the combustion chamber to help quiet the carbon knock noise. Refer to the following Service Procedure for details.

SERVICE PROCEDURE

1. Use Motorcraft Carburetor Tune-up Cleaner PM-3.

2. Carbon removal:
a. Disconnect canister purge line from throttle body.
b. Attach a vacuum line to the canister purge port.
c. At hot engine idle, allow the engine to ingest 1/2 to 2/3 of a can of Motorcraft Carburetor Tune-up Cleaner. Use caution not to ingest too quickly due to potential hydro-lock issues.
d Shut engine off and allow it to soak for one hour.
e. Start engine, allow engine to ingest the remainder of the Motorcraft Carburetor Tune-up Gleaner.
f. Remove vacuum line and re-install canister purge line.
g. Road test vehicle at 3500 RPM for 2-3 miles.
h. Repeat above procedure two times for a total of three times.
i. Change oil and filter.


3. Review the customers' driving habits. The recommended drive cycle should include daily periods of engine operation above 3,000 RPM, such as a brisk acceleration from a stop position. This will break/burn the carbon off the piston head.

4. Use regular unleaded fuel, 87 Octane. Mid-grade and Premium fuels may increase the probability of carbon buildup, leading to a knock noise.



PARTS BLOCK

OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage

OPERATION DESCRIPTION TIME

011907A Remove Carbon From 1.6 Hrs.
Combustion Chamber
(Includes Time To Perform
Procedure A Total Of
Three Times)

DEALER CODING
CONDITION
BASIC PART NO. CODE
6108 42

OASIS CODES: 497000, 615000, 702000, 702100
This is for the 4.0L but the same procedure is applicable to the 3.0L. Replace "Motorcraft Carburetor Tune-Up Cleaner" with "Seafoam". You can also use Berryman's B12.
 

williamigriffith

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2003
Make / Model
Ford
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Automatic
Thanks to all of you, I'll try it

Thanks again, especially for the TSB from Ford.

Griff
 

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