Tan, I think the new pumps are OK, but I forget. I recall that last time I checed, the rebuilt pumps from the dealer (or Rusty) were a lot less than new. Maybe that's no longer true? I generally prefer dealer parts due to the warranty. I believe the dealer parts you buy through Rusty also carry the dealer warranty (ask him for details - I'm not sure on that.) Brian Toscano had done some research on OM60x water pumps, I think - maybe he can add his $0.02?
Oh, btw - I would still test the t-stat (or install a new dealer t-stat), and it wouldn't hurt to put a garden hose in the top of the radiator and make sure there's good flow. If the flow is normal and outlet is still cold, to me that once again points to the water pump. If flow is restricted, the radiator may be the problem (plugged). :-) +dm > ------------------------------ > Date: Wed, 28 Dec 2005 09:22:47 -0800 (PST) > From: Tan Qu <[EMAIL PROTECTED]> > Subject: Re: [MBZ] SOS - '87 190Dt Overheat! > > > Dave and all, > > I am more leaning toward to a bad water pump. When I > turned the heater on which in turn turned the > (electric) auxillary water pump the temp droped maybe > 2 degrees. My feel was that the coolant was plainly > not flowing throught the system, even the closed > circuit. > > What's the story on the water pump? I guess the new > Laso or Geba pumps at Rusty's website are no good? > > Tan
