Injector stuck! How do I use this tool? - JeepForum.com
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  • 1 Post By underscore
 
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post #1 of 15 Old 05-29-2020, 07:11 PM Thread Starter
HankyD
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Injector stuck! How do I use this tool?

Hi peeps,

It's been several months since I've been on, I hope everyone's staying safe and healthy.

I have a blown injector seal. I have all the parts needed but can't get the injector out. It's stuck... like really stuck.

The injector is on the driver's side bank. It's the middle injector (I don't know what number that makes it on this application).

I purchased a tool off amazon but...it sucks. lol I am pretty sure this kit doesn't come with a particular fastener which is required to render the "hammer action" need to loosen the injector.

The fastener (that is missing) should screw in to the end of the tool.

Here is the link to the tool that I purchased off of amazon.

[URL="https://www.amazon.ca/gp/product/B06WLR5MXL/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1"]

Anyway!

Am I wrong here?

Does anyone know how to use this tool? What am I missing here?

Thanks again,

HankyD

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post #2 of 15 Old 05-30-2020, 12:10 AM
rokrau
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It’s supposed to be used with a slide hammer. Some kits come with that but yours didn’t. I’d send it back, get a different one or blow the injector out as some people do. There are videos on how to do it.
Good luck.

--Roland, 2008 Grand Cherokee Overland, 3.0 CRD, EHM and TRD
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post #3 of 15 Old 05-30-2020, 05:05 AM
RCS1300
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These worked for me. They are called Knipex connector pliers with plastic jaw inserts. Remember that it is only O rings that are holding in the injector in a gasoline engine. You did not mention if you had a diesel engine. If diesel, I have no idea how to get an injector out.

https://www.homedepot.com/p/KNIPEX-C...-250/207015696
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post #4 of 15 Old 05-30-2020, 02:14 PM Thread Starter
HankyD
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Sorry RSC, it's a CRD.

RokRau, Yea, I might just blow it out I guess?

Have you tried this out yourself btw?

I already have the hold down bolt out and the metal bracket out, is that a big deal?

Also,

3000rpm sustained is what's needed?

Any other tips while I do this is appreciated.

Thanks again!
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post #5 of 15 Old 05-30-2020, 03:23 PM
underscore
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I've had a couple really gunked up ones, even with the engine cold I've always been able to slowly wiggle it loose and pop it out. What I do is remove everything and spray some carb cleaner around all the gunk, then put the hold down clamp back in place and pry against the clamp to get the injector to rotate. I keep wiggling it back and forth and adding carb cleaner until the cleaner has worked in enough and I can pull the injector out.

07 WK CRD//QDII//OME MD//MALONE 1.5//OMG WTF BBQ
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post #6 of 15 Old 05-30-2020, 09:03 PM
rokrau
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Quote:
Originally Posted by HankyD View Post
Sorry RSC, it's a CRD.

RokRau, Yea, I might just blow it out I guess?

Have you tried this out yourself btw?
Not on my current car but on a similar Mercedes engine years back. Some others use the same injectors iirc. I am about to get to this however and plan to follow what they do at some shops. Loosen and tighten the hold-down bolts at 2500rpm a dozen times to loosen the suckers up. I’ll also soak the things in gunk-off.
I’ll do one bank at a time.

Best of luck

--Roland, 2008 Grand Cherokee Overland, 3.0 CRD, EHM and TRD
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post #7 of 15 Old 05-31-2020, 09:20 PM Thread Starter
HankyD
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Thanks, I give it a try!
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post #8 of 15 Old 06-01-2020, 11:07 AM
badgerwithhands
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The threads are M14x1.5, IIRC. I made my own on-the-fly slide hammer (literally scrap pipe is the "hammer") to get one out. I had both of my slide hammers stolen a while back and haven't bought a new one. I've re-welded the nut since then. I was in a rush. Only a little judgement, please.
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07 WK Overland CRD, cargo LEDs, OME HD, MOPAR skids, rack,
future mods: tires, lights, CB, skids,
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post #9 of 15 Old 06-03-2020, 09:41 PM
Chirpz
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If you have not already, check out my DIY guide for this job....

https://www.jeepforum.com/forum/f67/...l#post38959737

I had one that was stuck really bad.... after doing all the prep work mentioned in my guide, I blew it out with engine compression.... worked great... no damage to the injector.

Chirpz
2007 WK CRD, Quadradrive II, OEM Tow Hitch, GDE EcoTune, DPF-Delete, 4xGuard Front, Rear, Belly Guards, Side Rails & Full Matrix, OEM Skids, EHM, Dash Duck.
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post #10 of 15 Old 06-04-2020, 11:32 AM
Sosruko
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I am lucky. I also had to do this repair, but my injector was not stuck. One little wiggle and it lifted right out!

I had removed the foam blocks long ago. I also have a sensitive nose and noticed the quick puffs of diesel at idle... The Black Death has barely started.

Chirpz how-to once again made my life easier!

2007 WK CRD Limited 4X4, QDII, GDE EcoTune, 245/70R17 on stock rims, OEM Tow Hitch
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post #11 of 15 Old 06-05-2020, 05:57 PM
johnniebravo
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I know I am late to the party here and this may already be solved, but there is an injector puller that fits the OM642 injectors. It is cheap too. I purchased on late last year and was stunned at how easy it made injector seal jobs. Costs about $22 dollars.



https://www.amazon.com/ABN-Diesel-In...1401301&sr=8-1


ABN-3124


Brand Auto Body Now
Manufacturer ABN
MPN3124
Base SKU ABN-3124
UPC811498033124

2008 CRD GC
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post #12 of 15 Old 06-06-2020, 10:21 PM Thread Starter
HankyD
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Okay so now, after I reinstalled my injector line to the main fuel rail, it sprays out diesel when I turn on my jeep. smh.

Obviously, something isn't adding up.

Is there a special methodology when reattaching/screwing this line to the fuel rail? Do I have to screw it in-concert with screwing in the injector portion of the line?

Yes, it was tight upon re-tightening it.

The thread is still intact so no, I didn't cross thread anything.

This is the second time it has done this now.

What am I missing here?

Thanks again!
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post #13 of 15 Old 06-07-2020, 12:20 AM
underscore
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Check the matching surfaces of the flanges for damage and debris. I had a couple that weeped and needed a little extra tightening, they're pretty awkward to work with so it's hard to get them really tight.
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post #14 of 15 Old 06-07-2020, 06:50 AM
badgerwithhands
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Definitely a plus 1 on weeping and needing a little extra tightening.

07 WK Overland CRD, cargo LEDs, OME HD, MOPAR skids, rack,
future mods: tires, lights, CB, skids,
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post #15 of 15 Old 06-08-2020, 10:50 PM Thread Starter
HankyD
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Okay guys, I'll give it a try.

I'll keep you updated.

thanks again for the support!
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