Okay last night I flushed the brakes on my 300SD and I've flushed brakes many times before on Domestic vehicles, the only thing I can think of that could be a problem is that during this process I failed to notify the person watching the master cylinder that there are two chambers within the reservoir. So the MS went dry on the front circuit...

So, do I need to bleed the master cylinder then go back and bleed each wheel again?

I was going to go cruise today... but not until I get this resolved. Thanks for any help guys!

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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]

Fill the MC reservior up to the very top and re-bleed the brakes on the circuit that went dry. I like to use a MitiVac for this, it's easier and will pull the air out better. You can still go dry, though.....

If you get dragging brakes after flushing, it's time for a caliper rebuild -- quite likely you disturbed all the crud lying on the bottom of the caliper bores and this can make the pistons stick.

At any rate, you are getting up to the age on that car where you need to do the calipers anyway, the rubber gets hard and stiff requardless of fluid changes or driving habits.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!

I just bled all 4 and was working well... then started dragging again! So back I go again to rebleed and see how that treats me.

If not, looks like I'll be out for rebuilt calipers.

__________________
I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]

When I get a dragging brake I always try to bleed first. If you are a cheap ass like me just take the caliper apart.
Disconnect the caliper and shoot some compressed air into the line inlet to pop out the piston. (CAREFULLY)
Take some emery cloth and rub the piston and inside of the caliper. Rinse with some brake cleaner and let it dry. Put it all back together and rebleed.

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'85 300SD (formerly california emissions)
'08 Chevy Tahoe
'93 Ducati 900 SS
'79 Kawasaki KZ 650
'86 Kawasaki KX 250
'88 Kawasaki KDX200
'71 Hodaka Ace 100
'72 Triumph T100R