Re: [MBZ] OM617 run-hot symptoms (another question)

2006-07-11 Thread Marshall Booth
P. D. Ferguson wrote: You would be better to modify a thermostat to stay in the full open position, and will find it useful when you do your coolant flushes. I did this with an old stat just to use for flushing the system with cold water by substituting a length of a nail for

Re: [MBZ] OM617 run-hot symptoms (another question)

2006-07-10 Thread John W. Reames III
On Sun, 9 Jul 2006, Steve MacSween wrote: HOWEVER, I did today decide to pull the thermostat (3 mos. old) and see what difference it might make. Umm the thermostate deisgn in the mercedes engine is a little unique-- there are two plates, one opens as the t-stat warms and the other closes...

Re: [MBZ] OM617 run-hot symptoms (another question)

2006-07-10 Thread P. D. Ferguson
You would be better to modify a thermostat to stay in the full open position, and will find it useful when you do your coolant flushes. I did this with an old stat just to use for flushing the system with cold water by substituting a length of a nail for the brass

Re: [MBZ] OM617 run-hot symptoms (another question)

2006-07-10 Thread Jeff Zedic
Lower temps are bad as they increase fuel consumption and promote the forming of carbon deposits in the combustion chamber. This will also make the engine much more sluggish! In fact, I can't think of any reason to NOT want the engine to run as designed! Jeff Zedic Toronto 87 300TD

Re: [MBZ] OM617 run-hot symptoms (another question)

2006-07-09 Thread OK Don
Just a guess, but Q1 - your 'new' t-stat is bad, or there is corrosion in the housing. Q2 - you need the thickness of the t-stat for the o-ring to seal properly. On 7/9/06, Steve MacSween [EMAIL PROTECTED] wrote: I never did get around to doing the citric acid flush on my SD, seeing as how as