Anyone with a factory service manual or anyone who has already changed their CRD oil - what size hex head socket do I need to remove the oil plug? Also, what is the factory torque recommendation for re-installation of the oil plug?

I almost ruined my plug late last night. My tired eyes thought it was a torx head and I chewed up a little of the inside of the oil plug hex pattern before I realized I was too tired to be doing this at 11:00pm at night.

I finally found some Shell Rotella 5W-40 Synthetic at Walmart that meets the "CI-4 Plus" specification and I'm anxious to make the changeout.

Thanks.

I think it's the 8mm hex bit, but I wouldn't swear to it. A word of advice...if this is the first time you are draining the oil, be prepared for a fight with the drain plug. I ended up having to use a giant 1/2" drive ratchet to break it free. I thought for sure I was going to shatter the hex bit, but it actually came free. Good luck.

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2005 Stone White KJ Limited CRD 4x4
Off-Road Pkg
Trac-Lok
Emu 790s/948s
Skyjacker H7088s rear/Bilsteins front
15x7 Black Rock Lobos/31x10.50 Firestones
GDE HOT Tune + TCM Tune
Euro TC
CB radio
Thrush Turbo muffler
AEM DryFlow filter

Been on the phone now with the 3 largest dealerships here and none of them can find the information I'm looking for. Some verification would be appreciated. Thanks.

Did you try a search on here for CRD oil change? Some of us have done it already. I just went to Sears and bought the metric hex socket set, and it had the one I needed in there as well as the one you'll need for the differetials, transfer case, etc. later on down the road.

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2005 Stone White KJ Limited CRD 4x4
Off-Road Pkg
Trac-Lok
Emu 790s/948s
Skyjacker H7088s rear/Bilsteins front
15x7 Black Rock Lobos/31x10.50 Firestones
GDE HOT Tune + TCM Tune
Euro TC
CB radio
Thrush Turbo muffler
AEM DryFlow filter

I found much about oil changes with the search but could not locate a specific hex head size or torque requirement - but your comment about other things needing hex head sockets was informative. I was just planning on getting the single hex head socket for the oil plug, but it sounds like I would be better suited to get the entire set.

Yeah the front diff., transfer case, and oil pan all take the hex head sockets that I know of. I haven't had to change anything else yet so I'm not sure what else on this Jeep takes hex sockets. But yeah, a good set of metric hex sockets will fix you right up.

Not sure on the torque requirement for the drain plug. I want to say that I read 35 ft/lbs somewhere but I'm not 100% positive. I just torque mine until it feels good and snug and it never goes anywhere.

Good luck! And I have heard that the diesel engine oil has contaminates in it that are possibly linked with cancer. So many mechanics wear gloves to change the oil. It stained the concrete in the street where it leaked and it WILL NOT come clean. I'm glad I wasn't in my driveway when I did the oil change!!

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2005 Stone White KJ Limited CRD 4x4
Off-Road Pkg
Trac-Lok
Emu 790s/948s
Skyjacker H7088s rear/Bilsteins front
15x7 Black Rock Lobos/31x10.50 Firestones
GDE HOT Tune + TCM Tune
Euro TC
CB radio
Thrush Turbo muffler
AEM DryFlow filter

8 mm is the correct size.

http://kydtr.com/iboard/index.php?showtopic=5461

Greg

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2015 Jeep Grand Cherokee Limited 3.6L and A8
*SOLD*2005 Jeep Liberty Limited 4x4 CRD, Bright Silver Metallic, Dk/Lt Slate Gray Leather w/bun warmers, 5 spd auto, 22G pkg, Trailer Tow, 3.73 Rear Axle w/Trac-Lok Differential, P235/70R16 Firestone Destination LE's, Power Sunroof, Selec-Trac 4WD, Infinity 6-Disc In-Dash, Magnaflow #15870 System.

Excellent - thanks for the definitive answer. I've ordered a spare oil plug from the dealer ($8.85 for those interested) and will keep it handy just in case I mashed mine up too bad with the late night torx head incident.

I believe it's only about 20lbs at max, I have seen it somewhere but can't remember where.

I love watching a newbie to diesels do their first oil change, it's always a big BLACK MESS all over them.

All petroluim products are cancer causing, gas, diesel, motor oil, and much more.

Lucky someone had a blacktop drive and not a cement drive.

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91 MB 300D 2.5L Turbo. Her's

05 MB E320 CDI. Mine