I'm willing to check pressures and work on it however the thing that concerns me is the fix.

I'm pretty damn sure the issue will be with the front pump, seeing as how everything was working until I messed with the front pump.

Let's say my pressure reading comes in 20% under spec, then what?

The pump is obviously operating, so what would cause it to operate slightly under spec?

If I can't answer that question with anything other than wild guesses, I really don't feel like going down that path. Guess I'll need to do some searching and see if I can answer it.

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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?