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Voltage
Posted: Thu Dec 17, 2009 6:21 pm
by jay81
Hi
is 11.9v enough voltage in a battery to start a vito cdi?
would it just get the solenoid to click?
Posted: Thu Dec 17, 2009 8:09 pm
by Hitch
Dunno tbh, id think it would do a bit more that that.... does it go with a jump?
Posted: Thu Dec 17, 2009 8:21 pm
by Sparky James
Check the voltage while trying to start the van if there is a big drop >4 volt then its the battery and if there is no significant drop say 1/2-1 volt then its the starter also check the battery leads and engine earth strap.
Good luck
Posted: Thu Dec 17, 2009 8:25 pm
by jay81
dont know about jump start as the wifes car is a picasso and battery hidden under drivers seat!!
i have got it off now and giving it a good charge overnight,
this is still the same problem that i asked about in my other topic about this van, its just that when it does not want to start i get the multimeter out and its always reading 11.8-11.9v with nothing turned on and when i finally get it going it reads 13.4,
Posted: Thu Dec 17, 2009 8:39 pm
by Hitch
Thats the battery then by the sounds of it, not holding a decent charge.... the alternator will be kicking out the 13.4v you are measuring.
Posted: Fri Dec 18, 2009 10:47 am
by jay81
well def not the battery as had it on charge overnight and when i refitted it was reading 12.7 and the van still would not turn over, after about 10 trys it started so i got it parked on the drive and then would not start again and battery still reading 12.5v.
Posted: Fri Dec 18, 2009 8:57 pm
by rovert
jay81 wrote:well def not the battery as had it on charge overnight and when i refitted it was reading 12.7 and the van still would not turn over, after about 10 trys it started so i got it parked on the drive and then would not start again and battery still reading 12.5v.
You can recharge a battery and get a reading of 12 v but if its not holding enough amperage it still won't start But in any case using a accurate volt meter on a healthy battery should give you a reading not less than 13v (6 cells at 2.2v each) under normal use. If your not getting this reading have the battery tested using an ameter Most accessory shops offer this service free of charge But word of warning if it is the battery its more than likely that the car wont start after this test
Posted: Fri Dec 18, 2009 10:09 pm
by Hitch
Have you got something to try and jump it from Jay?
Could rule out what rovert has mentioned...
Posted: Fri Dec 18, 2009 10:35 pm
by jay81
Hitch wrote:Have you got something to try and jump it from Jay?
Could rule out what rovert has mentioned...
cheers tried jumpint it earlier with friends pick up and no joy just a single click from solenoid, so i am going to check all wires and connections tomorrow and if need be take the starter off as i think it might be the contacts in the solenoid
Posted: Sat Dec 19, 2009 2:03 pm
by jay81
had starter motor off this morning and bench tested it and pinion came out and failed to spin, went and picked up new one and all sorted now, thanks for all your help