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#1
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2005 CDI - 193,000 miles on factory ATF
Yes that's right, 193,000 miles, and the ATF was not changed in that time. The lockup clutch had a slight amount of shudder when I bought the car, and the red tab on the trans filler tube cap was intact. I suspected the fluid had never been changed, so I ordered up a trans kit from our sponsor. I also got two gallons of MaxLife synthetic ATF, and went to a friends shop to use his lift to change the fluid. My suspicions were correct, in that the fluid was greenish-brown. I did the same job on my previous CDI, and it had a worse shudder condition that a fluid change almost completely fixed. A dose of "Shudder Fix" (friction modifier) cured it completely. I was able to remove about 7.5 quarts from the trans using compressed air through the left side trans cooler banjo fitting (bolt removed). You can see the color of the fluid in the second photo, on the bell housing. After filling the trans, and taking it on a test drive, it shifts butter smooth.
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All Diesel Fleet 1985 R107 300SLD TURBODIESEL 2005 E320 CDI (daily) LOTS of parts for sale! EGR block kit http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html 1985 CA emissions 617 owners- You Need This! Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst. Sanden Instalation Guide (post 11): http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html Last edited by ROLLGUY; 06-12-2017 at 04:52 PM. |
#2
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Did you by any chance check the condition of the filter? It's stories like this that tempt me to do regular fluid changes but only do the filter once in a great while.
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14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 154k miles 06 E320 CDI "Rutherford", Black on Tan, 172k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife |
#3
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Not sure why anybody wouldn't change the fluid.. So dumb. The fluid gets thin with age and just doesn't lubricate the clutch packs and every other moving part like it should.
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Only diesels in this driveway. 2005 E320 CDI 243k Black/Black 2008 Chevy 3500HD Duramax 340k 2004 Chevy 2500HD Duramax 220k |
#4
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I did not, but like the last one, it was an MB filter.
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All Diesel Fleet 1985 R107 300SLD TURBODIESEL 2005 E320 CDI (daily) LOTS of parts for sale! EGR block kit http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html 1985 CA emissions 617 owners- You Need This! Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst. Sanden Instalation Guide (post 11): http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html |
#5
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These transmissions were advertised as "sealed for life", so no fluid changes were recommended. Yes I agree, that is dumb. However, looking at it from a manufacturer standpoint, they must feel that the "life" of the 722.6 is only about 200,000 miles. Most shops would suggest a rebuild for any problems like clutch shudder or shifting. One good thing on the transmissions in both the CDI's, is that very little grey fuzz (metal) was found on the magnet in the bottom of the pan. I suspect that this trans will last another 200k if it is taken care of. Had it not had the fluid changed, it would have surely gotten worse in a hurry.
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All Diesel Fleet 1985 R107 300SLD TURBODIESEL 2005 E320 CDI (daily) LOTS of parts for sale! EGR block kit http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html 1985 CA emissions 617 owners- You Need This! Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst. Sanden Instalation Guide (post 11): http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html |
#6
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Consider driving for a few weeks and doing another fluid & filter change. I've found that friction material will coat the insides after that many miles, and the fresh detergents in the new fluid clean it off. I.e. the new fluid may turn very dark in short order.
Same thing for diffs and manual gearboxes. I once bought a VW that I believe had 35 year old fluid in the gearbox. I changed it three times in three weeks and each time the clean new fluid came out a dark brown/black. After the fourth fill and drive, it finally came out clean.
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1998 E300 turbodiesel America's Rights and Freedoms Are Not The Enemy! |
#7
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Quote:
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All Diesel Fleet 1985 R107 300SLD TURBODIESEL 2005 E320 CDI (daily) LOTS of parts for sale! EGR block kit http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html 1985 CA emissions 617 owners- You Need This! Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst. Sanden Instalation Guide (post 11): http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html |
#8
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It would have been interesting to send that fluid out for oil analysis. I bet it's not as bad as it looks.
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#9
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I bought a chevy pick up once (used) and the fluid was actually black. Like used motor oil black. Remarkably, the trans shifted OK. The truck had over 200K on it. I changed the fluid and ran it another 60 before I sold it. Needless to say, it shifter MUCH smoother after I changed it.
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#10
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I'm not sure about MB, but I've heard they use a special wire mesh filter on many of the sealed transmissions.
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Sam 84 300SD 350K+ miles ( Blue Belle ) |
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