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Discussion Starter · #1 ·
Yes, I had the recall done many years ago. now the truck just ticked 41000 miles and I am getting p0675. I am looking to replace the plug myself. Any hints? Got my '06 just before the 100k warranty was offered :(
 

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Your engine alone is covered by a 100k $100 ded warranty. That was the norm from 01-06.

The 100k powertrain warranty applies to the 07+ trucks.

I doubt seriously the dealer will say anything about your mods for a glow plug failure.
 

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I have an '06 with the same code P0675 (Cylinder 5 glow plug circut), also going to replace myself. I have over 100K on it so no more warranty. I'm planning on replacing the plug and checking all connections but I have never done it before.
I'm looking for any hints or suggestions that can help. Thanks.
 

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Discussion Starter · #4 · (Edited)
My gm dealer said glow plugs are not covered under the engine 100k warranty. So I bought one at car quest.

So far I disconnected the metal intake tube right after the turbo down to the air cooler radiator. Disconnected the 2 main plugs for the engine. Then was able to get to the #5 cylinder (I hope they are number like a short block 305) I pulled out the "U" clip and disconnected the one plug that hooks onto the glowplug like a motorcycle's spark plug. Then unhooked the plug that is horizontal.

All fine and dandy right?! Ok now how in the world do you get off that big bolt/harness/plug/etc. "thingy" that screws down around the the glow plug?!

Please, anyone?:D
 

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My gm dealer said glow plugs are not covered under the engine 100k warranty. So I bought one at car quest.

So far I disconnected the metal intake tube right after the turbo down to the air cooler radiator. Disconnected the 2 main plugs for the engine. Then was able to get to the #5 cylinder (I hope they are number like a short block 305) I pulled out the "U" clip and disconnected the one plug that hooks onto the glowplug like a motorcycle's spark plug. Then unhooked the plug that is horizontal.

All fine and dandy right?! Ok now how in the world do you get off that big bolt/harness/plug/etc. "thingy" that screws down around the the glow plug?!

Please, anyone?:D
I think you need to go to another dealer, I had the same code.
Took it to the dealer, they popped a new glow plug in and I had it back in about 2 hours. Its definitely covered by warranty.
 

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I think you need to go to another dealer, I had the same code.
Took it to the dealer, they popped a new glow plug in and I had it back in about 2 hours. Its definitely covered by warranty.
X2, i had my #6cyl glow plug replaced 2 weeks ago. It was covered under the original 100k warranty but cost me $100. They also replaced the glow plug module too under my GMPP extended warranty for free. The GMPP would not cover the glow plug itself as it is considered a wear item like a spark plug. Not bad for $100 though.
 

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I thought glow plugs were considered covered by whatever the emmissions warranty is on the truck? Isn't it like 8 years or 80,000 miles or something?
 

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Discussion Starter · #8 ·
Ok I have gone to multiple dealerships now and they are saying the glowplugs are like spark plugs and considered wear items. I wish I had some dealerships like you...:D

Ok, so I am stuck doing this myself. I have the wires and everything disconnected from the glow plug but there is a housing around the glow plug that has an electrical connector on it. The base has something that looks like you can get a wrench on it but the valve cover makes so where a box wrench will not fit. Is there a special tool or a trick to getting it out?

Thanks!
 

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The engine cylinders are NOT numbered like a small block Chevy-- they are numbered like a Ford. Driver side from the front- 2-4-6-8 and passenger side 1-3-5-7. :)
 

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Ok I have gone to multiple dealerships now and they are saying the glowplugs are like spark plugs and considered wear items. I wish I had some dealerships like you...:D

Ok, so I am stuck doing this myself. I have the wires and everything disconnected from the glow plug but there is a housing around the glow plug that has an electrical connector on it. The base has something that looks like you can get a wrench on it but the valve cover makes so where a box wrench will not fit. Is there a special tool or a trick to getting it out?

Thanks!
This is where i got in an argument with my dealer about comparing a glow plug to a spark plug, it is definitly covered by the 100k engine warranty. When my dealer told me it was a wear item i told them the crankshaft,cam and pistons are wear items too so i guess they are not covered either. How about the injection pump? I guess we are boned with that too, that is also a wear item. A glow plug is only used only for start up and even this is intermitten due to ambient temp, a spark plug is used repetatively and is essential in the start-up and overall running condition of the engine. Basically what i am saying is a diesel engine does not require glow plugs to operate but a gas engine will not run without spark plugs.
 
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