They CAN,it doesent mean they will.But a better chance of it happening.All it takes is one.Anti seize is ok,someone has the procedure to remove a swollen tip if you have one,I forget who it was,A wise man told me just a day or so ago Saving money may cost you money...........Thats why im still saving for good parts!

 

I was hoping for more input,,,I guess everyone is asleep.........

 

yup spend a few bucks to save you money in the future a dollar or two extra for glowplugs can save you a teardown to remove broken and swollen plugs.not my idea of a fun experiment

 

I will keep the controller.I hope the glow plugs that U-haul used are not swelled up. I will take them out today and keep you posted.I may search for new glow plugs. Should I get the motorcraft or the bueros?


Joe Flash man

 

Hi All,

I have done a lot of searching and there is no information that Wellman glow plugs swell up in the heads. I am going to use gold anti seize lubricant on the threads and install them later today. Thanks.



Joe Flash man

 

I wouldn't do that ... But it's your motor!

Personally, I would never have bought them in the first place, But I HIGHLY suggest you return them or toss them BOTH!!!!

About the Wellmans ... you need to look deeper, they do swell and break!

I suspect your controller was fine and the relay on top is whats bad, that is replaceable with a relay from a 83-86 Diesel.

Like stated MANY times use Motorcraft/Beru ONLY!

-Enjoy
fh : )_~

 

What is the reason why a glow plug swells up in the head? What part of the glow plug swells? The tip? This is what a Wellman distributor has stated about their glow plugs. Is this true?


GENERALLY ANY GLOW PLUG CAN SWELL. IT IS CAUSED BUY IMPROPER VOLTAGE GETTING TO THE GLOW PLUGS. THE SYSTEM IN THE 7.3 IDI IS ACTUALLY A 7 VOLT SYSTEM. THE CONTROLLER DROPS THE VOLTAGE FROM 12V TO 7V AND WHEN THE CONTROLLER FAILS, THE VOLTAGE DELIVERED TO THE PLUGS IS 12V, INSTEAD OF 7 VOLTS, WHICH WILL SWELL ANY PLUG. WELLMAN ACTUALLY DEVELOPED MOST OF THE PLUGS FOR FORD. FORD TOOK THE DESIGNS OVERSEAS BECAUSE THEY WERE CHAEAPER TO PRODUCE.

BTW, I removed all the old glow plugs and they were all Bosch (made in Japan).



Joe Flash man

 

I thought they said there was no evidence of this???

 

Here is what i sent, he is on vacation, back later this week i think. Oh and when i touched a motorcraft GP to 12 volts, it did burn out 23 seconds later, did NOT swell. I will do it again with one from an older set that came out of a buddys truck. Then i will get behind a shield and do it with the autolite, lots of fun. LOL

Mr. Buckley,
I don’t know which guy in canada you are referring to but if its me, I have a 1989 F350 4X4 7.3L. I never made a claim because the bosch plugs I bought cooked instantly and so I thought it was my truck. Checked everything all over through ford and they all gave it the good thumbs up, so later installed a set of autolites. With the first crank it was magic, all was perfect. Tried to start it the next day and no joy. Checked the plugs with ohm readings and test light half of them had burnt out. One barely escaped the port hole. I used the drill method where by hooking a drill to it and backing it out it will thread out by wearing the large spots off. Since then I have only bought one set of gp's and they are motorcraft beru plugs from ford. They retailed for 21.99 but I got them for 15.41 each. Which is damn good in canada. I am not asking for new plugs from you, although I appreciate it. If you want to send them I will take them and do some tests with them. It very well could be that these were just a bad batch or suffered humidity exposure. Your product comes in cardboard boxes, berus come in sealed plastic. Maybe that’s the issue? Thoughts comments, all welcome.

 

Flashman, the GPs you are getting could be a single coil type. Or they could be dual coil type. If they are the G088s, they have a second coil in them to limit the temperature. This means that as long as you don't overvoltage them (use a hotshot on flat dead batteries) they will not overheat and won't burn up and swell. Before you install them, heat them on the bench to catch any infant failures. Better to fail outside of your motor than in it. It also verifies that you have a truly temperature limiting GP or not.

Wreck, it sounds like moisture got the GPs. When you have a failure on the first heating, it indicates that moisture made its way into the alumina insulating material. That's why I recommend preheating all GPs on the bench before installing them.

 

Motorcraft or Bureu plug is the exact same thing they are made in germany..... which is where my family is from so i don't feel so bad helping there economy but i would only use motorcraft plugs because when we went through my GP system i found a mess of different kinds in there motorcraft bosch autolite and some i couldn't find a brand stamp on.... my controller had failed when the PO still had it and he never replaced it however im glad it did the tips of the autolite plugs had begun swelling it was clearly visible next to the motorcraft and bosch plugs somewhere on here there is a video link to the testing done of the three brands by one of our members i would suggest looking it up

 

What an Idiot! That statement tells a lot about his (Wellmans) intelligence, He's (they are) not the sharpest knife(s) in the drawer ... The controller has NO CONTROL over voltage!

I can tell you first hand the Bosch's will screw you without a failed controller.

Go ahead, listen to others, I did, Now I'm sorry I didn't listen to those here that told me I would pay the price ... I am paying for it!

-Enjoy
fh : )_~

 

Its "Beru" and the only thing i will ever use again.

 

Brother Festus is a preachin!!! Well preach on brother!!

 

Well then this guy is incorrect about the voltage for the 7.3 IDI glow plugs? I keep asking the same question and Marianna seemed to answer part of it. What swells a glow plug? Improper voltage causing heat? Where does this improper voltage come from. A bad glow plug controller?

Joe Flash man