Posted 24 January 2009 - 09:14 PM
I have a ford focus c-max 1.6 TDCI 109hp (diesel) with AC
a day ago my battery light come to life when driving
I have checked the battery voltage with engine running and gave me 12v (12v to with engine stopped) , i think if alternator was good it would be +/- 14v with engine running.
So today i went to take out the alternator.... but no way
Does anybody known how to take that thing out? (i have AC)???
The AC compressor is at bottom and the alternator is on top... its necessary to take out the AC compressor? and can i disconnect the AC pipes to compressor?
Any help is welcome
Posted 25 January 2009 - 03:12 AM
there is a common flaw with some the Ford alternators - it is not the alternator itself, rather the slipper pulley. This is designed to slip under sudden increases in load/demand to lengthen the belt life, unfortunately these fail on a regular basis resulting in a freely spinning pulley i.e. not turning the alternator so before changing the alternator get this checked.
Ok.... so.. how i can i check this?
I had remove the belt... and when i turn the pulley by hand the alternator moves...
I also disconnect the positive cable from alternator, then turn engine on and measure voltage at the alternator... and gave me 0,49 V
Posted 25 January 2009 - 09:30 AM
to check the slipper pully the alternator needs to be spun by the shaft(usually with a drill) and voltage checked
Can this be done with alternator in his place?
Posted 26 January 2009 - 08:15 PM
Cmax went today to garage
Do you know if its necessary to clean the ECU erros after new alternator install? They want to...
Posted 27 January 2009 - 07:38 PM
But related to this i dont think so. I saw the dash light, and then stopped after 5 minutes.
Then i recharge the battery and drive 30 km to ford dealer
and never had an error... only the warning light from battery / alternator.
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