Glow plug check
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Cargo Master
Joined: Dec 2010
Posts: 2,123
Likes: 5
From: Fort Worth, TX
Glow plug check
Hey fellas,
I pulled all my glow plugs this afternoon and luckily they were all Berus. I don't know how old or how many miles are on them. I would like some opinions on that. I also noticed that the plastic connectors broke or crumbled when I removed them from the plug leads. I am thinking of buying and keeping a glow plug harness on hand. There is nothing wrong with the metal connectors, though.
I will post pictures of one plug from the front driver's side. They are all in the same condition. I am also going to make a separate thread on my IP. I want to know if how old it is and if I should replace it. I get about 16.28 MPG on the highway.
I pulled all my glow plugs this afternoon and luckily they were all Berus. I don't know how old or how many miles are on them. I would like some opinions on that. I also noticed that the plastic connectors broke or crumbled when I removed them from the plug leads. I am thinking of buying and keeping a glow plug harness on hand. There is nothing wrong with the metal connectors, though.
I will post pictures of one plug from the front driver's side. They are all in the same condition. I am also going to make a separate thread on my IP. I want to know if how old it is and if I should replace it. I get about 16.28 MPG on the highway.
Postmaster
Joined: Jan 2010
Posts: 4,319
Likes: 4
From: Elk City, OK
natural swelling from lots and lots of heat cycles. just grab a new set. theres a thread around here that a guy found where you can buy the bullet connectors to make your own harness for a lot less. and as far as the ip, thats up to you. still fair mpg. what engine, tranny and gears do you have? that will let us know if its on the higher side or lower side of your mpg range
Thread Starter
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Cargo Master
Joined: Dec 2010
Posts: 2,123
Likes: 5
From: Fort Worth, TX
natural swelling from lots and lots of heat cycles. just grab a new set. theres a thread around here that a guy found where you can buy the bullet connectors to make your own harness for a lot less. and as far as the ip, thats up to you. still fair mpg. what engine, tranny and gears do you have? that will let us know if its on the higher side or lower side of your mpg range
Check out my IP post. I included more info than is most likely necessary but it's all good stuff. I'll have to pickup a new set of Berus before my trip. At least I can rest assured that they won't swell on me.
Check out my post on the IP; more info there.
Posting Guru
Joined: Nov 2008
Posts: 1,052
Likes: 1
From: Elkhorn, Wiscompton
There's a few things I would like to point out for you man.
If you end up replacing the plugs, ONLY BUY DZ9 plugs, autolites tend to over swell, causing you to have to remove the head for safe removal.
I've heard the same for other brands.
And the way to check them, is with a test light, I can do a pic by pic process for you today if you would like, I think I have a few dead plugs, so I won't be going outta my way.
If you end up replacing the plugs, ONLY BUY DZ9 plugs, autolites tend to over swell, causing you to have to remove the head for safe removal.
I've heard the same for other brands.
And the way to check them, is with a test light, I can do a pic by pic process for you today if you would like, I think I have a few dead plugs, so I won't be going outta my way.
Junior User
Joined: Apr 2009
Posts: 71
Likes: 0
Anybody ever tried to remove overswelled gp's by loosening them getting them to stick in the hole then fire up the truck and let the compression do the rest??? I have a few that need changed that are over swelled Im thinking about doin that. Let it be noted that I have a spare freshly rebuilt engine sitting on a stand if it turns into a catistrophic failure.
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Posting Guru
Joined: Nov 2008
Posts: 1,052
Likes: 1
From: Elkhorn, Wiscompton
I wouldn't advise it Brandon, I just see threads being torn up, or worse, regardless of having another ready-to-install IDI.
These motors have a 21.5:1 Compression, that's a lot of pressure in a slightly larger than 4" bore, with very little escape, you could be blowing a good chunk outta the head with that.
While Fire seeks a fuel source, Pressure seeks a way out, which ever way possible.
These motors have a 21.5:1 Compression, that's a lot of pressure in a slightly larger than 4" bore, with very little escape, you could be blowing a good chunk outta the head with that.
While Fire seeks a fuel source, Pressure seeks a way out, which ever way possible.
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Thread Starter
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Cargo Master
Joined: Dec 2010
Posts: 2,123
Likes: 5
From: Fort Worth, TX
Anybody ever tried to remove overswelled gp's by loosening them getting them to stick in the hole then fire up the truck and let the compression do the rest??? I have a few that need changed that are over swelled Im thinking about doin that. Let it be noted that I have a spare freshly rebuilt engine sitting on a stand if it turns into a catistrophic failure.
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