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Technical Specifications -> Wheel And Tire Torque Specifications for Your Fiat 500 L 4 Door First Generation (2012-2022)

TECHNICAL SPECIFICATIONS 293  
In the event power assist is lost for any reason (i.e.,  
repeated brake applications with the engine OFF) the  
brakes will still function. However, the effort required to  
brake the vehicle will be much greater than that required  
with the power system operating.  
**Use only an authorized dealer recommended lug nuts/  
bolts and clean or remove any dirt or oil before tightening.  
Inspect the wheel mounting surface prior to mounting the  
tire and remove any corrosion or loose particles.  
WHEEL AND TIRE TORQUE SPECIFICATIONS  
Proper lug nut/bolt torque is very important to ensure that  
the wheel is properly mounted to the vehicle. Any time a  
wheel has been removed and reinstalled on the vehicle, the  
lug nuts/bolts should be torqued using a properly cali-  
brated torque wrench using a high quality six sided (hex)  
deep wall socket.  
Torque Specifications  
9
Lug Nut/Bolt  
Torque  
**Lug Nut/Bolt  
Size  
Lug Nut/Bolt  
Socket Size  
Wheel Mounting Surface  
63 Ft-Lbs  
(86 N·m) Steel  
Wheels Only  
89 Ft-Lbs  
M12 x 1.25  
17 mm  
Tighten the lug nuts/bolts in a star pattern until each  
nut/bolt has been tightened twice. Ensure that the socket is  
fully engaged on the lug nut/bolt (do not insert it half-  
way).  
(120 N·m) Alu-  
minum Wheels  
Only  
294 TECHNICAL SPECIFICATIONS  
FUEL REQUIREMENTS  
1.4L Turbo  
This engine is designed to meet all emis-  
sion regulations, provide satisfactory  
fuel economy and performance when  
using high-quality unleaded “Regular”  
gasoline having a posted octane number  
of 87 as specified by the (R+M)/2  
method. For optimum performance and  
fuel economy the use of “Premium” 91 octane gasoline or  
higher is recommended.  
Torque Patterns  
While operating on gasoline with an octane number of 87,  
hearing a light knocking sound from the engine is not a  
cause for concern. However, if the engine is heard making  
a heavy knocking sound, see your dealer immediately. Use  
of gasoline with an octane number lower than 87 can cause  
engine failure and may void or not be covered by the New  
Vehicle Limited Warranty.  
After 25 miles (40 km), check the lug nut/bolt torque to be  
sure that all the lug nuts/bolts are properly seated against  
the wheel.  
WARNING!  
To avoid the risk of forcing the vehicle off the jack, do  
not tighten the lug nuts/bolts fully until the vehicle has  
been lowered. Failure to follow this warning may  
result in personal injury.  
Poor quality gasoline can cause problems such as hard  
starting, stalling, and hesitations. If you experience these  
symptoms, try another brand of gasoline before consider-  
ing service for the vehicle.