Hybrid battery
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Hybrid battery
I have a 2008 Hybrid Escape. I am trying to find out if in the future the battery system for hybrid portion goes out, will the vehicle still be able to be driven with out the hybrid portion working or big battery out?
5th Wheeling
Joined: Feb 2017
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The answer is no. If the hybrid battery is dead, you won't be able to start the engine. However you don't need to worry about the battery. Ford's Hybrid battery is much more reliable than other brands as Ford uses A/C to cool the battery.
Fleet Mechanic
Joined: Sep 2003
Posts: 1,716
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On the 2009 - 2012 hybrid, no starter motor, no alternator. To start the engine, the eCVT's motor/generator powered by the HVTB (High Voltage Traction Battery) spins the engine's crankshaft directly. And the 12 volt electrical system's (lights, window motors, etc. + the control system for hybrid functions) 12 volt battery is charged by a DC to DC converter that converts down the ~330 VDC to 12 volts.
So without a HVTB at least at minimum capability, no go. That is for the 2009 - 2012, but I don't think they made gigantic changes to the hybrid system from 2008 to 2009, and Accent 2010's comment on a 2008 is NO.
So without a HVTB at least at minimum capability, no go. That is for the 2009 - 2012, but I don't think they made gigantic changes to the hybrid system from 2008 to 2009, and Accent 2010's comment on a 2008 is NO.
Posting Guru
Joined: Feb 2002
Posts: 1,534
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From: Warren, MI
I guess I should have looked in my 2009 Shop Manual first before posting!
EDIT:
Looking at the manual, true no "conventional" type 12V starter motor. The FEH engine shows a gear type conventional flywheel so the eCVT has a built in starter motor either stepped down or running off the higher battery voltage. It also has its own motor for reverse only.
EDIT:
Looking at the manual, true no "conventional" type 12V starter motor. The FEH engine shows a gear type conventional flywheel so the eCVT has a built in starter motor either stepped down or running off the higher battery voltage. It also has its own motor for reverse only.
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