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  #1  
Old 08-11-2009, 09:28 AM
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changing ATF change filter too?

Is it normal procedure when changing ATF to also change the filter in the transmission in the 300D? As I recall looking at transmission filters on other cars, it is just a metal screen do not clog up.

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Old 08-11-2009, 10:09 AM
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Originally Posted by funola View Post
Is it normal procedure when changing ATF to also change the filter in the transmission in the 300D? As I recall looking at transmission filters on other cars, it is just a metal screen do not clog up.
Yes, it is normally the procedure to replace the filter when you replace the fluid. In these cars the filter is more than a screen.
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Old 08-11-2009, 10:17 AM
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Yes you need to change the filter. It is a paper element that most closely performs like a normal oil filter, just different shape and flow. There are fine mesh screens in the valve body that are designed to collect the bigger stuff and not gunk up the little bearings and springs and such, but the actual filter is on the bottom where the pan is. Its easy enough to do anyways, $30 for the extra assurance, and get a new pan gasket too.
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Old 08-11-2009, 12:17 PM
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X2. changing the transmission fluid is like changinging the engine oil, both have a filter to change. it is there for a reason.

Just be careful when replacing the pan and gasket that you don`t over tighten the bolts. It is in inch lbs, not very much. tighten too much and you will have leaks.

drain the torque converter also.

this is sort of like taking a shower, and not changing your shorts.

Charlie
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Old 08-11-2009, 12:29 PM
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Originally Posted by charmalu View Post

Just be careful when replacing the pan and gasket that you don`t over tighten the bolts. It is in inch lbs, not very much. tighten too much and you will have leaks.

Charlie
Is there a specification on how to tighten the bolts? How to get it right as I tightened my 300SDL and I did not get a good feel on the bolt until it was very tight.
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  #6  
Old 08-11-2009, 10:37 PM
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Acording to my Maintance Manual for years 81 - 93

All models:
Drain plug, torque converter-------------------------14 nm --10 ft lbs
drain plug, oil pan (transmission 722.3, 722.4 722.5)---14 nm --10 ft lbs
Bolts, oil pan Transmission 722.0, 722.1-------------- 7 nm----5.2 ft lbs
Bolts, oil pan Transmission 722.3, 722.4-------------- 8 nm

9 nm is 6.6 ft lbs, didn`t see 8 nm listed.
Charlie
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there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works

Last edited by charmalu; 08-11-2009 at 10:47 PM.
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  #7  
Old 08-11-2009, 11:03 PM
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Thanks for the info charmalu. Does the transmission pan gasket go on dry or with gasket sealant?
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  #8  
Old 08-11-2009, 11:06 PM
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yes, dry

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