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I was under the truck last night and noticed it was wet with oil, bottom of the pan, and drivers side of the block. Looked closer this morning and it looks like it is coming from the glow plug area? Running down right by the motor mount. Number 4 cylinder looks the wettest. The one closest to the cab. Is this common for plugs to leak? The passengers side is dry. Is there a seal/o-ring on the plugs could it have been a poor install?

 

Credit to a host of others for this information. I'm not patient enough to look all of this up...

<table class="MsoNormalTable" style="width: 387pt; border-collapse: collapse;" border="0" cellpadding="0" cellspacing="0" width="516"> <tbody><tr style="height: 13.55pt;"> <td style="border-style: none none solid; border-color: -moz-use-text-color -moz-use-text-color windowtext; border-width: medium medium 1pt; padding: 0in; width: 387pt; height: 13.55pt;" width="516"> Most Common Places for Oil to Leak (use a dye to find actual leak point) <o></o>
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> CAC Tubes = 21%
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> ICP Sensor = 16% <o></o>
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> Glow Plug Harness = 14% <o></o>
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> Cam/Crank Position Sensor =14% <o></o>
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> Front Crankshaft Seal = 8% <o></o>
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> Upper to lower block seal (skirt) = 5% (bedplate?) <o></o>
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> http://dan.prxy.org/Truck/6L_bible_html/html/Page_022.html <o></o>
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> HPOP cover = 4% <o></o>
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> Oil Cooler (this leaks into engine coolant) = 4% <o></o>
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> Front or Rear Engine Cover = 3% <o></o>
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> Rear Crank Seal = 3% <o></o>
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> Turbo Charger & VGT actuator = 2% <o></o>
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> Covers (oil pan, valve covers, breather) = 2% <o></o>
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> Cracked or Porous Block or Head = 1% <o></o>
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> IPR valve/Engine Lube oil pump = <1% <o></o>
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> <o></o>
</td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> https://www.ford-trucks.com/forums/622121-oil-leak.html <o></o> </td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> http://www.forddoctorsdts.com/photographs/index3.php </td> </tr> <tr style="height: 12.75pt;"> <td style="padding: 0in; width: 387pt; height: 12.75pt;" width="516"> http://intellidog.com/dieselmann/60bulletin.htm <o></o>
</td> </tr> </tbody></table>

 

Thanks for this the only one or maybe two that it might be is the plug harness and this would depend on where these leaks occur, is it where the harness goes into the block somewhere? I don't know where the harness typically leaks. The other one is the bedplate if I knew where the bedplate was? Would it leak on one side or both? This is localized on the drivers side. And it seems to start right along the line where the glow plug leads run in the corrigated plastic cover, back cyl. glow plug being the worst. Thanks again for the research.

 

Click the links! This one shows the bed plate and other leak areas http://www.forddoctorsdts.com/photographs/index3.php

<hr> Glow Plug ^{Printable View (215 KB)}


<table border="1" cellpadding="3" cellspacing="0" width="50%"> <caption>Material</caption><tbody><tr valign="top"> <th>Item</th> <th>Specification</th></tr> <tr valign="top"><td>SAE 15W-40 Super Duty Motor Oil
XO-15W40-QSD or equivalent</td><td align="center">WSS-M2C171-D</td></tr> <tr valign="top"><td>RTV Silicone Sealant
TA-31</td><td align="center">—</td></tr> </tbody></table> Removal
RH glow plugs

1. NOTE: Use a six point socket squarely seated on the retaining nut for removal.
   For automatic transmission equipped models, remove the retaining nut and position the transmission fluid indicator tube aside.
   • Discard the retaining nut.

• 

1. Remove the RH fender splash shield. For additional information, refer to Section 501-02.

1. Trim the evaporator case to provide glow plug buss bar removal clearance.
   • Measure and mark a line just below the bottom rib on the evaporator case, from the RH edge outboard toward the wheel, 10 mm (0.39 in) to 15 mm (0.59 in). From that point mark a line downward at a 45 degree angle toward the outboard side of the vehicle.
   • Using a carbide burr bit and a 90 degree angle grinder, remove the corner.

• 

All glow plugs

1. NOTE: RH shown, LH similar.
   Disconnect the glow plug electrical connector.

• 

1. Remove the glow plug buss bar.

• 

1. NOTE: If coolant is found on the glow plug, a new glow plug sleeve may have to be installed. For additional information, refer to Glow Plug Sleeve in this section.
   Remove the glow plug.

• 

Installation
All glow plugs

1. Install the glow plug.

• 

1. Clean and apply clean engine oil to the O-ring seals.

• 

1. Install the glow plug buss bar.

• 

1. Connect the glow plug electrical connector.

• 

RH glow plugs

1. Apply RTV silicone sealant to the edge of the evaporator case that was trimmed for glow plug buss bar removal.

1. Install the RH splash shield. For additional information, refer to Section 501-02.

1. Position back the transmission indicator tube and install a new M6 retaining nut.

• 

<hr>

 

oz, where do you get these pdf's? I would love the manual if you could email it to me.... slowmans2000@yahoo.com

 

You have an 06, right?
Here's the online manual for the 06 Super Duty...
https://www.motorcraftservice.com/pubs/content/~WS6O/~MUS~LEN/20/S6OMAIN.HTM
Also in your email now...

 

thanks bro!!!!!!! that info is priceless!!!!

 

Well, we're suppose to help one another, so there you go!

 

Thanks again for your help. I have the later build with the flexable buss. It also says if coolant is present change the sleeve. I see oil not coolant does the o-ring hold back oil or coolant? Does the glow plug run through where oil circulates? If I change the o-rings will I lose some oil? Sorry for all the questions I'm new to 6.0. I knew my 7.3 fairly well I guess it takes time to find all the little quicks of each. I want to thank you again for all your help I would be poking in the dark if it wasn't for this site.