1985 300D shifting hard only when AC on - PeachParts Mercedes-Benz Forum

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1985 300D shifting hard only when AC on

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#1

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09-11-2019, 11:06 AM

mr2guru

mr2guru is offline

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Join Date: Jul 2019

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Quote:

Originally Posted by Diseasel300

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Check vacuum pods for leaks. The recirculation pod may be bad, if so, when it engages during A/C usage you have a relatively large vacuum leak.

Where's that one at? I'll definitely test it! Thanks.

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#2

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09-11-2019, 11:35 AM

5cylinder

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Quote:

Originally Posted by mr2guru

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Where's that one at?

The subject of 123.xyz vacuum elements has been discussed in this forum for many years and ad nauseam. A search of the archives will yield much detailed information. Best of luck to you with this.

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#3

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09-14-2019, 11:14 AM

my123ca

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Most likely the center pod.

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'85 300D Cal 280,000 miles
'14 GLK 350 60000 miles

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