Smart Fortwo
12V Automotive Battery Replacement Guide
How to change a dead 12 volt car battery
in the passenger footwell of a 2nd generation 2008-2014 Smart Fortwo city car.
2013 Smart Fortwo |
Remove Floor Mat |
Plastic Fastener |
This
automotive maintenance tutorial was specifically written to assist
owners of the second generation (2008, 2009, 2010, 2011, 2012, 2013
and 2014) Smart Fortwo compact city car in changing a dead 12V
automotive battery located in the passenger side footwell. Owners of any Smart Fortwo models or trim levels such as the coupe hatchback, cabriolet or "cabrio", electric, pure, passion, forfour, prime and proxy may also find these DIY instructions to be helpful. The OEM 12V battery was Smart part number A-000-982-78-08 or A0009827808. A compatible replacement "Group Size" H5 12 volt battery is Bosch # H5-650B or the Everstart MAXX-H5 at Walmart. The tools needed to remove and replace the battery include a flathead screwdriver, a 10mm socket and a 1/4" drive ratchet. |
||
|
||
Loosen Counterclockwise |
Pull Off Floor Liner |
Plastic Fastener Removed |
The 12V automotive
battery is located in the passenger footwell below the dashboard and glove
box. The first step is to remove the floor mat and set it aside in a safe place. Then use a flathead screwdriver to rotate the carpet holder plastic fastener in the counterclockwise direction. Pull off the plastic fastener and set it aside. |
||
Pull Back Floor Carpet |
Foam Block |
Pull Out Foam Block |
Pull back the floor
liner carpet. Remove the large foam block that contains the flat tire sealant kit and air compressor. |
||
Tire Compressor & Sealant |
OEM 12V Car Battery |
Loosen Negative Terminal |
The OEM 12V battery
is located under the foam block. First loosen the negative terminal (located closer to the rear of the car) by turning the nut counterclockwise with the 10mm socket and a 1/4" drive ratchet. Pull the negative terminal straight off the "-" battery post. Wrap the terminal with a small towel and tuck it on the side of the battery to help prevent accidental electrical contact. |
||
Pull Off Red Plastic Cover |
Loosen Positive Terminal |
Pull Off Positive Terminal |
Pull the red
plastic cover off the positive terminal and set it aside in a safe place. Loosen the positive terminal by turning the 10mm nut in the counterclockwise direction. Pull the positive terminal off the "+" battery post. |
||
Battery Clamp - Nut |
Loosen Counterclockwise |
10mm Nut Removed |
Locate the nut and
threaded bolt end on the right side of the battery hold down bar or "clamp". Loosen the nut by turning it counterclockwise with the 10mm socket and a 1/4" drive ratchet. Set the 10mm nut aside in a safe place. |
||
Lift Battery Hold Down Bar |
Pry Out Wire Loom Fastener |
Remove Left Side of Bar |
Use the flathead
screwdriver to gently pry out the black plastic pop rivet that secures the
wire loom to the side of the battery hold down bar. Lift the battery hold down clamp up and remove the hook on the left end from its corresponding slot. |
||
|
||
Battery Clamp Removed |
Smart OEM Battery |
Remove Old Battery |
Set the battery
hold down bar aside in a safe place. Pull the small plastic exhaust gas vent tube on the rear edge of the battery out of its port. Carefully lift the old battery out of the vehicle and gently set it down on the ground. Try to avoid dropping or tipping over the old battery to prevent from having battery acid leak out. A compatible replacement Group Size H5 battery is the Bosch # H5-650B. |
||
Lower In New Battery |
Push On Positive Terminal |
Tighten Clockwise |
Gently lower the
new battery in to the car with the positive "+" post closer to the front of
the car and the negative "-" post closer to the seat and the rear of the
vehicle. Push the positive terminal on to the "+" battery post. Tighten the 10mm nut in the clockwise direction until it is snug. Try to avoid over tightening the terminal nut to prevent from damaging the battery post which could lead to an acid leak. |
||
Push On Plastic Cover |
Push On Negative Terminal |
Tighten Clockwise |
Push the red
plastic cover back in to place over the positive terminal. Push the negative terminal on to the "-" battery post. Tighten the 10mm nut on the negative terminal in the clockwise direction until it is snug. |
||
Re-Insert Metal Hook |
Slot For Hook - Left Side |
Lower Bar Over Bolt End |
Line up the metal
hold down bar over the top of the new battery. Re-attach the metal hook at the left end of the hold down bar in to the slot on the left side of the battery housing. Lower the hold down clamp over the top of the battery. |
||
Battery Clamp In Place |
Spin On 10mm Nut |
Exhaust Gas Vent Tube |
Spin on the 10mm
nut on to the exposed bolt end on the right side of the hold down bar. Tighten the nut in the clockwise direction until it is snug. Push the plastic gas exhaust vent tube in to the hole on the rear edge of the battery. |
||
Push In Vent Tube |
12V Battery Replaced |
Replace Foam Block |
Lower the foam block back in to the passenger foot well. | ||
Replace Carpet Liner |
Push On Plastic Fastener |
Replace Floor Mat |
Push the carpet
liner back over the foam block. Push in the plastic fastener to secure the floor liner in place. Replace the floor mat. To test the new 12V battery, start the engine and turn on the headlights. Please be sure to adjust the time on the clock and program your favorite radio station presets before you start driving. For more, check out all of my
2008-2014 Smart Fortwo DIY Repair & Maintenance Guides. |
If you found this guide to be helpful,
please consider making a small donation by clicking on the PayPal.com
"Donate" button located to the right of this paragraph. Thank you!
(Note: I am not a registered charity. Donations are not tax deductible.) |
Copyright 2024 © PaulsTravelPictures.com
All Rights Reserved ®
Paul's Travel Pictures is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. |
Privacy Policy About Paul & Author Contact Info