M104 crank lock tool
 

95 e320

Anyone have a part number for the Mercedes crank tool or have used a universal flywheel lock tool to remove the crank pulley bolt? Any ideas appreciated. But I’m not going to use the starter method with the engine torn apart. I need to change the timing chain and guides

This should help:

https://m.harborfreight.com/12-in-ultra-compact-xtreme-torque-stubby-air-impact-wrench-63534.html?utm_referrer=direct%2Fnot%20provided


Saved us a Ton of effort!




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This should work - https://www.amazon.com/Mercedes-Benz-Flywheel-Locking-Tool/dp/B00RJNGVU4/ref=pd_aw_sbs_236_3/137-9024819-6883838?_encoding=UTF8&pd_rd_i=B00RJNGVU4&pd_rd_r=6363677a-3e2d-11e9-9500-39d562a2f7fe&pd_rd_w=3mc2L&pd_rd_wg=STvZh&pf_rd_p=aae79475-6dc9-4a12-80e8-27b63108fa72&pf_rd_r=59JNGPSSPB8T050AFR84&psc=1&refRID=59JNGPSSPB8T050AFR84

It requires the ring gear in place as does going through the starter hole.

How do you set proper torque with an impact wrench?

Sixto
98 E320s sedan and wagon
02 C320 wagon

He asked how to remove it. I told him.

You can hold the flywheel with a piece of wood to get her to torque up. Add some blue loctite and you will Never, Ever have a problem. I've lost count of the harmonic bolts I've done over the last 15 plus years. No locking tool, No problem


Jono

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I don’t have the head on.. would the impact wrench produce enough torque to zip off the bolt without the head?

As Jono said, with an impact wrench, minimal retention of the pulley/damper will allow the torque wrench to remove the bolt.

Sixto
98 E320s sedan and wagon
02 C320 wagon

I always jammed something thru flywheel plate to hold crank still,or used vise grips

Mercedes part number tool 601 589 02 40 00

I just bought that impact from harbor freight( stubby earthquake) just yesterday , not happy that after I opened the box its been found to have been used ill keep it anyways a couple scratches , somebody probably didn't want to buy it , used it once , well see , my buddy at work has let me use his for the last year , it works awesome , he worked at acura and says it takes crank bolts right off, ived used it on suspension bolts

Tried this didn’t work. Not enough juice. I got the flywheel lock tool I’ll give it a try with the long ass breaker bar

How high does your compressor go?


Not to say I officially encourage this, but you can hold the pressure switch closed and typically run them up a Lot higher. Amazing what another 40-50 psi will do for you. Make sure you have a fresh few drops of oil in the gun as well ..helps!

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10 gal Harbor freight compressor.. sopposely 5.8 cfm at 90psi. Tops out at 125psi. I did bump it up to 100psi just to see if I could tap it harder but the nut wasn’t flinching

Oh...well, idk if that would ever really have enough ass ...:(

I'll run the compressor up to 185-200 psi when I have a stubborn nut/bolt what have you. We run at 150-160 normally. I'd wager that double your air pressure would likely do the trick.



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I’ll turn it up full blast and see what happens

I found the harbor freight 1000 lb/ft electric impact will remove the most stubborn of fasteners if you have the space to use it.

I tried maximum air pressure and it wasn’t enough. I’ll grab the electric impact and see how that goes

That bolt is torqued anywhere between 370-400 nm from the factory, I've had luck using my Milwaukee 1/2 impact although I had to pull my 3/4 air impact a few times and in a few extreme cases I had to use the factory lock tool and a very very long 3/4 breaker bar.

The hf electric impact didn’t phase it. I put the crank lock tool on then used the 2 foot breaker bar. Came right off. Should’ve just did that in the first place.

Now do I need a puller to get the crank pulley off? Or does it pry off. I don’t want to damage the harmonic balancer

Bought a cheapo hf puller and got the pulley off. Can somebody please tell me if I have to remove the entire belt accessories on the driver side to remove the lower front cover? Kinda looks like I do. Also found a severed electrical 2 pin plug. Not sure where that came from. One pin has 2 black/red wires stripe the other has a single brown/blue stripe

Think I made a big boo boo. I put the head on and the exhaust cam isn’t timed correctly. I can’t rotate it to the point where it needs to be. I gotta redo the whole gasket process right? New head bolts?

If you only have cam timing issues, there should be no need to pull the head... you are using the factory manual, right?

:stuart:

I pulled the cam off and reset it. I was a lil worried that I made a expensive mistake but it worked out ok. I don’t have any manuals.. just here and google searches .i got the car almost together. Came across a stripped out tensioner bolt that the po did. Waiting on a new tensioner before I put the radiators back in.

Yikes... you are brave tearing into an M104 without the manuals. They are available online for free from MB at StarTekInfo, but the interface is difficult to use. Click the link below for an easy-to-navigate manual for the W124:

http://www.w124-zone.com/downloads/MB%20CD/W124/Main.html

All the files are in PDF format.

:zorro:

I’m no stranger to being elbow or waists deep in a Mercedes engine bay. I do have one bolt left over which concerns me. It looks like a serious stainless steel bolt I’ll try to post a pic. No idea where it goes

The 1000 lb/ft one or the cheaper 250 lb/ft one? - the 1000 lb/ft one literally makes your hands tingle for a good 10 or 15 minutes after using the tool. I have removed BMW CV axle nuts with it, those are tightened to 320 lb/ft with additional rust locking compound.

The big Bauer electric one didn’t do anything.

wow, must be some really stuck bolt.

This tool is also worth all the money spent on it

https://www.amazon.com/Williams-H-41AA-Flex-Handle-Breaker/dp/B008BT1Y1G/ref=asc_df_B008BT1Y1G/?tag=hyprod-20&linkCode=df0&hvadid=309763890402&hvpos=1o4&hvnetw=g&hvrand=7068686958959939141&hvpone=&hvptwo=&hv qmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9027628&hvtargid=pla-572951897972&psc=1

It is very heavy and has no issues breaking stuff loose or even completely altogether.

Anyone familiar with this bolt? I can’t find it’s spot. 6mm hex, looks like stainless steel

https://i.postimg.cc/rdSk33XT/488-A4...8744-AE9-A.jpg

https://i.postimg.cc/sQmRDWg0/9-D65-...FB5922-CD9.jpg