I recently did some work to the front pump on my '87 300SDL and I need to know: if the transmission will move the car forward, does that mean the front pump is operating?

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1987 300SDL 167k
1992 Volvo 740 140k
1990 Volvo 740 250k
1989 Volvo 240 269k

Anyone want to trade an old Volvo for an '87 300sdl?

if your car moves, on a level surface from a dead stop, your front pump is working. for the rear pump to work your car has to be moving I think

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hum.....
1987 300TD 311,000M Stolen. Presumed destroyed

if the front pump was bad you would be sitting there idle.

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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)

Thanks guys!

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1987 300SDL 167k
1992 Volvo 740 140k
1990 Volvo 740 250k
1989 Volvo 240 269k

Anyone want to trade an old Volvo for an '87 300sdl?

you have an amusing signature by the by

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hum.....
1987 300TD 311,000M Stolen. Presumed destroyed

Here's the sequel

Bad trans governor = no shift?

To check the front pump you can measure the working pressure with a gauge. Alternatively you could get really messy and remove a (transmission) oil cooler line and then watch for pressurised fluid (or not) to go squirting all over the place... Don't let a transmission run dry though!

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1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!

It sums up my experience with cars fairly accurately.

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1987 300SDL 167k
1992 Volvo 740 140k
1990 Volvo 740 250k
1989 Volvo 240 269k

Anyone want to trade an old Volvo for an '87 300sdl?