[W126 Coupe] Overheating, blown fuse and high idle, Park does not click

[MS. J]

Happy New Year group.  I was hoping to start 2009 without car problems but unfortunately my 1987 560 SEC is overheating. The other problems seemed to have snowballed over the last couple of weeks.  I am not sure where to start looking.  I had my thermostat replaced close to eight months ago, so not sure if that is the problem again.  How do I check to make sure the water pump or radiator is not going out?  I did notice a little leakage at one of  the corners of the radiator and hear a little sizzling after th car has cooled. 
 
2) I am also having problems with fuse #5 shorting out.  I really need to find the short in this line because the heat from the engine comes in, and my back-up lights are out as well,not to mention the other things attached to fuse #5. I have replaced this fuse many times but once I start the car it blows after turning on the a/c.
 
3)I have read the archives regarding high idle which started a week and half ago.  I removed the idle control valve and not sure to look for on this device, but I did notice that the hose located on the engine that the unit plugs into is cracked down the middle.  I don't know what that part is called and how to remove.  I am thinking maybe that could be the culprit for high idle but not sure.  I cleaned the connectors and resinstalled. 
 
4) on top of this I can't get my park to lock in place. I sometimes have the roll the car forward a little to engage the park so I can start the car.  I thought maybe the transmission modulator has a leak but someone told me that there is piece attached to the transmission that could be going out. 
 
Any suggestions would be greatly appreciated. I have to work on the cooling and idle problem so I can make it work soon.  
 
Crystal 

 








Have a wonderful day,,,,,,,,MS.J 
 


      
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