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08-18-2015, 07:54 PM | #1 |
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Timing Chain Tensioner
Going to replace my timing chain tensioners this weekend in hopes it'll help my cold start rattle. Can anyone give me any tips on the job? I can't find any diy's or even pictures online. Not sure where to even start. What needs to be removed to access the timing chains? I'm assuming plenum and valve covers but what else?
Any help welcome! Thanks
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08-18-2015, 09:43 PM | #2 | |
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Quote:
Here is Turner's description.
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Last edited by thekurgan; 08-18-2015 at 09:50 PM.. |
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08-18-2015, 10:02 PM | #3 | |
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08-18-2015, 10:22 PM | #4 |
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The one on the left for sure, the right one, I'm not so sure.
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08-18-2015, 10:59 PM | #5 |
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I found a good picture of the one on the right just now. Easily reachable just taking the plenum off. Haven't been able to locate a pic of the one on left yet....
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2013 c63 Amg coupe p31, v7 tune, plm headers, armytrix downpipes, EflexFuel
2008 dct coupe, evolve engine/dct tune, ttp, ms intake, megan exhaust, cf ds. Sold. |
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08-19-2015, 02:58 AM | #7 |
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Left: http://workshop-manuals.com/bmw/3_se...ner_%28s65%29/
Right: http://workshop-manuals.com/bmw/3_se...ner_%28s65%29/ 11 31 1AZ: 65NM hope this helps, you'll also need new sealing rings: 11317507432 |
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08-19-2015, 08:50 AM | #8 | |
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Edit: can you check the link and tell me if it looks like these tensioners already come with the seal: http://www.ecstuning.com/ES22413/ I ordered seals from BMW Atlanta but after seeing what they look like and checking the picture at ecs it looks like they may come with the seal.
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2013 c63 Amg coupe p31, v7 tune, plm headers, armytrix downpipes, EflexFuel
2008 dct coupe, evolve engine/dct tune, ttp, ms intake, megan exhaust, cf ds. Sold. Last edited by Doc Oc; 08-19-2015 at 09:41 AM.. |
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08-19-2015, 11:50 AM | #9 |
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Check out my other thread "cold start noise". Video is in the first post.
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2013 c63 Amg coupe p31, v7 tune, plm headers, armytrix downpipes, EflexFuel
2008 dct coupe, evolve engine/dct tune, ttp, ms intake, megan exhaust, cf ds. Sold. |
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08-20-2015, 12:59 PM | #11 |
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This job can be done in less than 45 minutes. The tensioners are both accessible from the outside. You will not need any SST's to do the job.
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08-20-2015, 03:31 PM | #12 |
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Excellent, thank you sir!
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2013 c63 Amg coupe p31, v7 tune, plm headers, armytrix downpipes, EflexFuel
2008 dct coupe, evolve engine/dct tune, ttp, ms intake, megan exhaust, cf ds. Sold. |
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08-20-2015, 07:21 PM | #13 |
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The one on top seems easy, the one on the side looks more involved? And the service manual call for removal of both ac line? Does that mean the AC need to be drained and filled afterward?
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08-20-2015, 07:34 PM | #14 |
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Crap I hope not. Just looked at the engine and the drivers side one looks like a snap. Haven't been able to locate the other one just yet.
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2013 c63 Amg coupe p31, v7 tune, plm headers, armytrix downpipes, EflexFuel
2008 dct coupe, evolve engine/dct tune, ttp, ms intake, megan exhaust, cf ds. Sold. |
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08-22-2015, 10:43 PM | #15 |
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The driver side is cake. The passenger side will require removing the a/c lines at the compressor, because you can't fit the necessary socket and wrench head between the tensioner and the lines. I worked it for an hour, trying a variety of sockets, couplers, socket wrenches, etc. to no avail. There is probably a special tool for it. In any case, plan on depressurizing the a/c.
If the compressor was mounted half an inch lower, the entire job would take about 5 minutes. |
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08-23-2015, 10:22 AM | #16 | |
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08-23-2015, 10:30 AM | #17 | |
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If I disconnect the ac lines all I have to do is reinstall and add s couple cans of refrigerant, right?
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2013 c63 Amg coupe p31, v7 tune, plm headers, armytrix downpipes, EflexFuel
2008 dct coupe, evolve engine/dct tune, ttp, ms intake, megan exhaust, cf ds. Sold. |
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08-23-2015, 05:53 PM | #18 | ||
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First, allowing refrigerant to escape to atmosphere is against federal law, it must be properly recovered. Second, you need to pull the AC system under a vacuum of at least 29 in/Hg for half an hour (I like to do this for at least an hour) before recharging the system to remove the moisture that would have got into the system when the lines were removed. Failure to ensure the system is free of moisture before recharging can cause damage to the compressor and/or expansion valve. Third, you "should" replace the o-rings on any lines you remove to ensure the system is tight. |
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08-23-2015, 07:56 PM | #19 |
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Thanks, good info again. How does one recover the refrigerant?
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2013 c63 Amg coupe p31, v7 tune, plm headers, armytrix downpipes, EflexFuel
2008 dct coupe, evolve engine/dct tune, ttp, ms intake, megan exhaust, cf ds. Sold. |
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08-23-2015, 08:14 PM | #20 |
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Edit: Nevermind @BMRLVR beat me to it.
Cheers.
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08-23-2015, 09:42 PM | #21 | |
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08-23-2015, 09:52 PM | #22 |
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Cool, thanks.
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2013 c63 Amg coupe p31, v7 tune, plm headers, armytrix downpipes, EflexFuel
2008 dct coupe, evolve engine/dct tune, ttp, ms intake, megan exhaust, cf ds. Sold. |
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