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 Post subject: Need a 101 for glow plug replacement
PostPosted: Thu Aug 17, 2017 6:47 pm 
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Posts: 4
I have searched everywhere and found so many other topics on glow plugs....but I am really looking for the most generic description of how I can replace my glow plugs. Pictures/video would be EXTREMELY helpful.
Can anyone please help, or send the link where I can find this? Needs to be for a 2005 Jeep Liberty Sport CRD, thanks a million!


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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Thu Aug 17, 2017 8:26 pm 
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Joined: Fri Jun 22, 2007 11:43 am
Posts: 3869
Location: Green Cove Springs FL
Its kinda like changing spark plugs.
Pull the wires off, remove and install new plugs, reconnect the wires.

The glow plugs are all on the intake side of the engine.
It can be a pain to get to all of them. Should require a 10mm wrench.
Removing the alternator can help you get to #1.
Removing the intake elbow can help you get to #2 and 3.

Best to soak them in some PBlaster before removing.
Take it easy, dont force them out.
The head is aluminum. If a plug gets stuck and you strip the threads you will have to remove the head to fix it.

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Bought my '05 CRD on June 2nd '07, used with 29,000 miles.
intake elbow and EGR delete. 7 volt Etecno glow plugs
Yeti stage 2 ECU tune. Straight pipe exhaust. DIY intercooler hoses
Provent and modified factory 180F thermostat
Replaced cylinder head (cracked) at 160,000 miles + ARP studs
Cheap 1 inch lift, 245-75R-16 tires.
Still love it.


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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Thu Aug 17, 2017 8:33 pm 
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UPDATE - Got the plugs removed!! Now I am trying to decipher the numbers, and whether these are the 5v or 7v? Here is what I saw on the glow plug:

00466-325
21-01-05-3-2


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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Thu Aug 17, 2017 8:41 pm 
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Joined: Fri Jun 22, 2007 11:43 am
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Location: Green Cove Springs FL
There should be a color coded plastic ring near the connection point.
The sticker on the timing cover should tell you the glow plug voltage.

Either way, you really cant go wrong with 5v plugs.
Even if you have a 7v system. Just means that the 5v plugs might burn out faster.
Or just play it safe and get the 7v plugs. But if you have cold starting problems in the winter then you might want to switch to the 5v plugs.

_________________
Bought my '05 CRD on June 2nd '07, used with 29,000 miles.
intake elbow and EGR delete. 7 volt Etecno glow plugs
Yeti stage 2 ECU tune. Straight pipe exhaust. DIY intercooler hoses
Provent and modified factory 180F thermostat
Replaced cylinder head (cracked) at 160,000 miles + ARP studs
Cheap 1 inch lift, 245-75R-16 tires.
Still love it.


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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Thu Aug 17, 2017 8:52 pm 
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Location: Central GA
5v or 7v really depends on where you are located and how cold it gets during winter starts! :roll:
Share with us where you are located and some members can advise you as to best course of action....

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Blk Brush Guard/Hella's/LED's
Ironman Springs/Bilstein's
Yeti Stg4 MaxTune
Weeks ElbowKit/Battery Tray
NO FCV/EGR
Samcos/ProVent
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2mic.Sec.Fuel Filter
Flowmaster/NOcat
V6 Airbox
GM11 blade fan/Hayden HD clutch
Ironrock Trilink
98 Dodge Cummins, 5"exh. Viair,K&N


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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Sun Aug 20, 2017 2:02 pm 
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Joined: Thu Feb 16, 2017 10:46 pm
Posts: 51
Location: Pinedale, Wyoming
If you have 7volt glow plugs and went to 5v will you get a check engine light or not?


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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Sun Aug 20, 2017 4:01 pm 
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Joined: Thu Oct 22, 2015 8:07 pm
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Location: Southeast Michigan
No, you shouldn't get a check engine light.


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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Sat Nov 11, 2017 5:58 pm 
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Okay - don't all laugh out loud at once...I was initally pulling out the fuel injectors when I thought they were glow plugs :shock:
I am learning lol - but it also gave me a good opportunity to clean up the injectors, replace the o-rings and gaskets, and call them good for awhile.
I ended up getting the 7v glow plugs. I live at 9000', and now we are quite chilly.
Since replacing, my engine is having a hard time starting. Takes me about 5 minutes to get her going...but timing wise, I replaced the glow plugs right before the cold weather started, so who knows if they were a problem already - they were still the ceramic ones!!!!

So - now I need some ideas...

Here's what I got:
I only see the glow plug light turn on for half a second
The check engine light is on all the time, even after several attempts at a hard reset (positive battery terminal off, etc)
I have to work on starting the jeep, cranking multiple times over 5 minutes or so
Blowing lots of gray and dark gray smoke out of the exhaust
I keep the block heater plugged in all night and anytime I am parked for over 2 hours


Thanks for the help everyone!


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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Sat Nov 11, 2017 7:02 pm 
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Joined: Fri Jun 22, 2007 11:43 am
Posts: 3869
Location: Green Cove Springs FL
First, get a code scanner and find out why the CEL is coming on.

With your cold winters and high altitude, you’d be better off with 5v plugs.

That said...

Three years ago I put in a fresh set of etecno 7v plugs. Known poor performing plugs.
Then went on a cross country December trip.
Survived cold morning starts in Durango CO, Moab UT, Ely NV, and Carson City.
Every morning required use of block heater and multiple cycles of the glow plugs to get it started.

(Socorro NM was really difficult. Wasn’t able to park near an electrical outlet the night before. Wouldn’t start in the morning and had to push it to a nearby place to plug in the block heater and charge the battery.)

_________________
Bought my '05 CRD on June 2nd '07, used with 29,000 miles.
intake elbow and EGR delete. 7 volt Etecno glow plugs
Yeti stage 2 ECU tune. Straight pipe exhaust. DIY intercooler hoses
Provent and modified factory 180F thermostat
Replaced cylinder head (cracked) at 160,000 miles + ARP studs
Cheap 1 inch lift, 245-75R-16 tires.
Still love it.


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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Sat Nov 11, 2017 8:19 pm 
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Joined: Thu Oct 22, 2015 8:07 pm
Posts: 292
Location: Southeast Michigan
skifast84 wrote:
I ended up getting the 7v glow plugs. I live at 9000', and now we are quite chilly.
Since replacing, my engine is having a hard time starting. Takes me about 5 minutes to get her going...
For a cold start, ignore the glow plug light; it doesn't actually indicate when the glow plugs stop heating up. Turn the key to "On", wait for the seat belt chimes to stop. Once they stop, turn the key "Off", then back to "On" and wait for the seat belt chimes to stop again. Once the chimes stop, then try starting the engine. That should hopefully help.

Use the 120 volt block heater if you have an available outlet near where you park. If not, you may want to consider a 12 volt intake heater setup from SasquatchParts or a diesel-fired Webasto heater (expensive, but everyone seems to have good things to say about them).


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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Sat Nov 11, 2017 9:30 pm 
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Location: Somewhere between Heaven and Hell... But it is really hot here on Earth...
You unfortunately bought the wrong plugs. You want the 5 V plugs with the 7V programming. That will make them run hard enough to start acceptably in most conditions.


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Proud supporting vendor of LOST Jeeps
Provider of high quality CRD service in your driveway.
Need help? Just ask! I've taken it apart more than most.
Email (button below) is preferred to PM
Over 70 CRDs currently driving with my timing belt, rockers, or ARP Studs.
Just remember: Bad noises = REALLY bad things.


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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Sun Nov 12, 2017 10:36 am 
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Joined: Thu Aug 17, 2017 6:17 pm
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Thanks for the replies everyone. Okay, so I get to go through the glow plug shenanigans again...oh joy...
What about needing a new control module if I convert to the 5v? I thought I saw that on the idParts video. What I pulled out when putting the 7v's in, was the original ceramic glow plugs, and they too were the 7v, which is why I think I'll need a new control module.

The code I am getting is P0610 - lots of forum stuff on that, but still, I don't know what to try first....flashing the ECU or TCM? I am having tranny problems, and a flush did not fix, so I need to get in there again.

And I am fortunate to be parked inside by an outlet...but I travel for ski season, so I definitely need a block heater to work.

Thanks again everyone :)


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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Sun Nov 12, 2017 11:48 am 
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Joined: Sat Aug 24, 2013 11:36 pm
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Location: Central GA
skifast84 wrote:
Thanks for the replies everyone. Okay, so I get to go through the glow plug shenanigans again...oh joy...
What about needing a new control module if I convert to the 5v? I thought I saw that on the idParts video. What I pulled out when putting the 7v's in, was the original ceramic glow plugs, and they too were the 7v, which is why I think I'll need a new control module.
The code I am getting is P0610 - lots of forum stuff on that, but still, I don't know what to try first....flashing the ECU or TCM? I am having tranny problems, and a flush did not fix, so I need to get in there again.
And I am fortunate to be parked inside by an outlet...but I travel for ski season, so I definitely need a block heater to work.
Thanks again everyone :)

According to what several on LOST have done, they simply installed 5v glow plugs on their current 7v systems without changing anything else, i.e. relay, etc... or having the computer reflashed to accommodate the 5v GP's. So far, no one on this forum have reported any negative problems by doing so! Most have reported much better cold weather starting performance using the 5v GP's on the 7v system. :P

As to the P0610 DTC, I would suggest you contact Keith at Green Diesel Engineering, I have read he is able to fix this problem with a computer reflash without having to replace the OBC. May save you a bunch of $$$! :wink:

_________________
05 Jeep Liberty CRD Limited :JEEPIN:
Blk Brush Guard/Hella's/LED's
Ironman Springs/Bilstein's
Yeti Stg4 MaxTune
Weeks ElbowKit/Battery Tray
NO FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pump
2mic.Sec.Fuel Filter
Flowmaster/NOcat
V6 Airbox
GM11 blade fan/Hayden HD clutch
Ironrock Trilink
98 Dodge Cummins, 5"exh. Viair,K&N


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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Sun Nov 12, 2017 2:32 pm 
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AFAIK the primary difference between the 7V and 5V control solenoids, is the 5V are capable of slightly more amperage.

HOWEVER, a number of vehicles, including mine, are running 5V plugs with 7V controllers over the last year (+) and have no ill effects, either with the controllers or with the plugs.

SO with the price asked for 5V controllers, I would be tempted to just use the plugs I want with the controller I have. Which, in fact, is what I'm doing.

Risk? Sure
Problems? None to date.

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'06 Lbrty Sprt CRD 147Kmi

Sasquatch
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GM 12611872
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Future plans: GDE Trans&Hot-tune


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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Sun Nov 12, 2017 3:55 pm 
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Location: markham, ontario
7 v gp are getting better because they updating them all the time , since 2013 i purchased 3 batches of this plugs , and last set still working good , i do have spare set in case this set burned up last last two LOL, i think they finally make them last longer now ,no comment cold star dont bother me any more , i just drive it summer time ,


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 Post subject: Need a 101 for glow plug replacement
PostPosted: Mon Nov 13, 2017 1:45 am 
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While I appreciate the fact that they created plugs for this vehicle, Etecno should not be taking four years from the initial release to come up with something that is vaguely reliable. But they haven't yet. Because nobody that lives anywhere cold is happy with the way their jeep starts in the winter. Those plugs, suck.

It is unfortunate, but that just seems to be the way it is. The 5 V plugs on the 7 V program work better. Because you're running them hotter, which makes for easier starting.

As far as any difference in the glow plug module, there is not any difference. The module is just a relay and cycles on and off very quickly to "simulate" the voltage that is delivered to the plug. The part number from what I have been told is exactly the same as the old module. So if you have a problem, you can replace it. If everything works, you do not need to replace it. I have been doing the 5 V plugs as a drop in replacement on every jeep for about a year and a half now. None of the vehicles that I have worked on or have heard from anyone else have had failures of the 5 V plugs on the 7 V program. We do not yet know how long the plugs will last because none have failed. But this is a good thing. That means they are handling the voltage.


Sent from my iPhone using Tapatalk

_________________
Proud supporting vendor of LOST Jeeps
Provider of high quality CRD service in your driveway.
Need help? Just ask! I've taken it apart more than most.
Email (button below) is preferred to PM
Over 70 CRDs currently driving with my timing belt, rockers, or ARP Studs.
Just remember: Bad noises = REALLY bad things.


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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Tue Nov 14, 2017 4:51 am 
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from my experience and replacing 2 sets of the garbage 7 volt Etecno plugs.... i went with the Bosch 5v and been happy.

I procured the plugs from this place in englnad :

http://www.gsparkplug.com/1x-bosch-shea ... 02038.html

And it took 7 days for 8 plugs to arrive.

Genuine Bosch plugs in genuine Bosch packaging (not generic white packaging).... they come with a security sticker and a serial number that can be checked online for Bosch authenticity.

During the winter months and 5 degree Fahrenheit weather, last year the Jeep fired up in just a few turns of the engine without a block heater.

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2006 Liberty Limited CRD, Deep Beryl Green, Yeti tune, Arp studs, new cams, rockers, lifters, TB. "Green Monster"
2005 Liberty Sport CRD, Deep Beryl Green, GDE Hot Tune, ARP studs. "Rocket"
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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Tue Nov 14, 2017 11:15 am 
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Location: Wendell, NC
Not to hijack...but what is the general consensus as to the "cutoff line" as far as the region that will get acceptable performance from the 7v plugs? I'm in central NC and next year...I'm planning on the whole shebang....timing belt, rockers, Weeks Stage 1&2, head gasket, studs, glow plugs....etc. I'm thinking the 7v plugs would be enough here in central NC as it doesn't get to horribly cold....usually in the 30's/40's during the winter. Doesn't drop below 20 too often...only a few days a year. Average temp in Wendell in January is 45 according to the weather site.

Jim

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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Tue Nov 14, 2017 12:11 pm 
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The price is the same for the 5v plugs, why even worry about it? Do the 5v and rock on.


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 Post subject: Re: Need a 101 for glow plug replacement
PostPosted: Wed Nov 15, 2017 9:20 am 
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I have nothing to say about running 5v metal plugs with 7v programing; if that works then great. As for the continued trashing of the Etecno1 7v metal plugs all I can say is they work ok in my son's 06 down to the upper teens F and in my former 05 down to 15F when the vehicle is not plugged in. Crank may be a touch slow and engine may sound a bit rough for first few seconds but does run. How that compares to the original OEM ceramic 7v ones I have no clue but we do know what the disintegrating ceramic ones can do the an engine.

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