r53 wont start without bump or jump please help
#1
r53 wont start without bump or jump please help
Hello fellew miniacs,
I bought my lovely r53 in march of 12 with 75371 on the od.
Had some minor upset such as currently no power steering.
I replaced the coolant tank, radiator, heater core, alternator and battery.
She now currently will not start on her own without a jumpstart or bump.
Any ideas as to why she won't start on her own? Turn the key and you can hear the starter engage the firing pin but no crank. Unless its being jumped. What might be the cause of such an issue. I also think the by pass is on its way out. I'm all stock BTW.
Please help. Thanks
I bought my lovely r53 in march of 12 with 75371 on the od.
Had some minor upset such as currently no power steering.
I replaced the coolant tank, radiator, heater core, alternator and battery.
She now currently will not start on her own without a jumpstart or bump.
Any ideas as to why she won't start on her own? Turn the key and you can hear the starter engage the firing pin but no crank. Unless its being jumped. What might be the cause of such an issue. I also think the by pass is on its way out. I'm all stock BTW.
Please help. Thanks
#4
#7
If you have access to a voltmeter, you can test the battery's or alternator's voltage and possibly rule either out.
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#8
Since you have no powe steering....i bet the new alternator is bad....the alternator must be outputting voltage for the ps pump to run....it shuts off when the alternator fails by desgin to extend you driving time on the battery.
Other issue mght be the battery explosive battery dissconect (located in the box in the trunk next to the battery)....it may have gotten wet, and be filled with corrosion, limiting the power to stsrt the car....same goes for the battery cables (both + ones or the grounds)....could be chafes/corroded.
Do you have a person who knows anything about mini's working on the car?
Other issue mght be the battery explosive battery dissconect (located in the box in the trunk next to the battery)....it may have gotten wet, and be filled with corrosion, limiting the power to stsrt the car....same goes for the battery cables (both + ones or the grounds)....could be chafes/corroded.
Do you have a person who knows anything about mini's working on the car?
#9
#10
Since you have no powe steering....i bet the new alternator is bad....the alternator must be outputting voltage for the ps pump to run....it shuts off when the alternator fails by desgin to extend you driving time on the battery.
Other issue mght be the battery explosive battery dissconect (located in the box in the trunk next to the battery)....it may have gotten wet, and be filled with corrosion, limiting the power to stsrt the car....same goes for the battery cables (both + ones or the grounds)....could be chafes/corroded.
Do you have a person who knows anything about mini's working on the car?
Other issue mght be the battery explosive battery dissconect (located in the box in the trunk next to the battery)....it may have gotten wet, and be filled with corrosion, limiting the power to stsrt the car....same goes for the battery cables (both + ones or the grounds)....could be chafes/corroded.
Do you have a person who knows anything about mini's working on the car?
As for the box in the boot I will check into aswell. Nope just me. I do know cars somewhat so don't be shy. Ps we own 2 r53's 1 r52 and 1 r50
#12
If the battery and grounds checks out ok, you might want to also check the battery safety terminal. It's cuts off the starter and alternator circuit when activated but retains power to the rest of the car. I think it can only be replaced one activated but should only be activated in a crash.
#13
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#14
If the battery and grounds checks out ok, you might want to also check the battery safety terminal. It's cuts off the starter and alternator circuit when activated but retains power to the rest of the car. I think it can only be replaced one activated but should only be activated in a crash.
It is a safety feature...
There are are 2 + battery cables...one to the regular fuse panel, and one, directly to the starter....unfused. since this cable is unfused, in an accident if it was dammaged, a fire could start....so a squib (a small explosive charge, like in an airbag) is set to go off if the airbag fires, disconnected the starters power...
You can hear the bendix on the started click....so i was thinking this cable might be corroded/partically cut or the squib corroded from water leaking into the boot....
Also check the grounds....it sounds like you have SOME power to the starter...might even have full voltage, but not the amps....so make sure the battery is fully charged, terminals are tight....
Last edited by ZippyNH; 10-19-2012 at 01:46 PM. Reason: spelling
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