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What is this item for?

Started by rparker, 30 March 2022, 03:00 AM

rparker

Simple question that is bugging me, looking at buying a 280SE and was wondering what the circled item is for.

Thanks.

Ryan280se.jpg
77' W116 280S, 4-Speed Manual

polymathman

Vacuum motor for cruise control.
190sl 1957 rusting away
250S 1968 long gone
280SE 1976 got hit, parts
280SE 1979 running fine
C320 4Matic 2005 for wife -Mercedes after MIT

janiak5

vacuum actuator for cruise control

Jan S

... you probably know that the hoses for heater inlet and outlet is missing (upper area torpedo wall, right and left of engine, respectively)
1975-mod W116 450 SE with 6.9 engine

ptashek

Not just the hoses are missing, the vacuum actuator for the heater valve too.
1993 "Pearl Blue" W124 280TE
1988 "Arctic White" W124 200T
1979 "Icon Gold" W116 450SE

rparker

Thanks guys, yeah am aware of the heater hose missing, normal practice here (in always hot Malaysia) to keep A/C as cold as possible, however as ptashek mentions, does a missing vacuum actuator for a heater valve impair the normal functioning of A/C controls?

Cheers lads.

Ryan
77' W116 280S, 4-Speed Manual

goldacre

I also noticed that car has rear only self leveling suspension if still operational and the York AC compressor has been traded in for perhaps a modern Sanden one with a changeover kit?

Yep cruise control actuator, not sure where in Malaysia you could use it for more than 1 minute? And yes, hot, damn hot!

G
12/1979 450 SEL 148K on clock (museum piece)
12/1986 Lotus Esprit Turbo 87K on clock 'Darling, look what Q has brought for us, isn't it nice' :)

ptashek

Quote from: rparker on 30 March 2022, 04:52 PMdoes a missing vacuum actuator for a heater valve impair the normal functioning of A/C controls?

If the line that would normally go to the actuator is plugged correctly, there should be no impact due to vacuum leaks.

You'd loose the climate control side of it, but as you wrote, that's apparently intentional :)
1993 "Pearl Blue" W124 280TE
1988 "Arctic White" W124 200T
1979 "Icon Gold" W116 450SE