Re: [MBZ] '87 300D monovalve weirdness

2008-06-23 Thread Alex Chamberlain
On Mon, Jun 23, 2008 at 3:43 PM, Peter Frederick <[EMAIL PROTECTED]> wrote: > No, the 300D has only to connections, the later W124's have a split > core. > > Your clamp is leaking -- remember, there is a pump pushing the > coolant throught. > > Clamp the hose going into the heater core, up by the b

Re: [MBZ] '87 300D monovalve weirdness

2008-06-23 Thread Peter Frederick
No, the 300D has only to connections, the later W124's have a split core. Your clamp is leaking -- remember, there is a pump pushing the coolant throught. Clamp the hose going into the heater core, up by the brake booster as well. Flat jaw vise grips work the best. Peter __

Re: [MBZ] '87 300D monovalve weirdness

2008-06-23 Thread Alex Chamberlain
On Mon, Jun 23, 2008 at 1:30 PM, John Robbins <[EMAIL PROTECTED]> wrote: > Alex Chamberlain wrote: >> I thought by pinching the hose on either side of the monovalve I >> should be doing what the valve is designed to do when full cooling is >> called for, i.e. let the air cooled by passing through t

Re: [MBZ] '87 300D monovalve weirdness

2008-06-23 Thread John Robbins
Alex Chamberlain wrote: > I thought by pinching the hose on either side of the monovalve I > should be doing what the valve is designed to do when full cooling is > called for, i.e. let the air cooled by passing through the evaporator > stay cool (and thereby also there shouldn't be any way to get

[MBZ] '87 300D monovalve weirdness

2008-06-23 Thread Alex Chamberlain
I've been suspecting for a while now that my W124 300D's monovalve is stuck partway open, with a couple of different symptoms pointing to the same thing (A/C not blowing as cool as it should although the rest of the system checks out OK, and uneven heat at idle and on acceleration from a stop). I