I need to do a couple things before I start driving my TD, first on the list is the brakes. I am getting the lining light to come on under hard braking so I think the front pads need changing ( I looked at the rears and they have lots of pad) but more importantly I am not getting any boost.

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1981 300TD
2005 C55
2004 E500
1999 ML430
1992 400E
1998 C43
2001 SL500
1988 300SEL
1986 190E 16V
1991 190E 2.6

Either bad booster or bad vacuum source.

Is your car shutting off when you turn the key off?

Yes = booster

No = vacuum pump/vac line/vac leak.

Jim

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14 E250 BlueTEC black. 45k miles
95 E320 Cabriolet Emerald green 66k miles
94 E320 Cabriolet Emerald green 152k miles
85 300TD 4 spd man, euro bumpers and lights, 15" Pentas dark blue 274k miles

Thanks Jim

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1981 300TD
2005 C55
2004 E500
1999 ML430
1992 400E
1998 C43
2001 SL500
1988 300SEL
1986 190E 16V
1991 190E 2.6

I posted on your other thread yesterday.
Booster and shut off are interconnected. Booster could be bad causing the slow shut off. However, both being bad could be caused by a common problem such as a disconnected line or bad vacuum pump. First step is to visually inspect the main vacuum line going from the pump to the booster. If that looks ok then you'll have to get a Mity Vac and start checking vacuum levels in the system.

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13