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Date: Sat, 6 Apr 2002 10:38:36 -0500
From: "KeithG" <noonenopsamhlink.net>
Subject: Re: Coolant system question


It may be a head gasket, but rule out other things first. Have the cooling system pressure checked. It may be a cracked expansion tank. You do note that there is dried on coolant on the driver's side... It may also be a leaking heater bypass valve. If this is the culprit, you can replace it or replace the hoses with the older style without the bypass. It does not work reliably anyway. If nothing leaks where you can see it, it is probably a head gasket. It will be expensive, but if the rest of the car is in good shape, I would do it, besides it is pretty worthless if it does not run. If you do go this far, make sure to get 2 gallons of MercedesBenz coolant (or from Daimler Chrysler dealer which meets this spec) and have the mechanic use this KeithG "Garcia420" <jeremy_duncannopsamam.yahoo.com> wrote in message news:3cae03d9.279347277nopsam.dsl.net... > I have a '92 900 with 80K on it. > > I just replaced the radiator and hoses back in November. > > The car started to have steam coming from the expansion tank cap (my > wife reports!) No antifreeze in tank - I fillied it up to min level > and a couple minutes later it was drained, so I filled it up again and > this tuime it held in expansion tank. > > I let it sit all day and it didn't lose any antifreeze - took for a > short drive and it started to heat-up rapidly - but did not overheat > since I threw the heat on but there was no loss of coolant. > > Fan belts all look fine and radiotors new, is there anmyway to tell if > it's fan, thermostat or gasket. > > When viewing the engine from drivers side, I did notice some dried on > white stuff on red portion of engine block - could be spray from > expansion steam or does this undoubetdley mean cracked head gasket. > > Sorry for the length just trying to figure if this is a $100 job or a > $1,200! > > Thanks > > Jer

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