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Turbocharger Oil Feed Line Heat Shield Install
 
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Pelican Technical Article:

Turbocharger Oil Feed Line Heat Shield Install

Nick Czerula

Time:

0.25 hours

Tab:

$20

Talent:

*

Tools:

Not tools

Applicable Models:

R56 MINI Cooper JCW Hatchback (2009-13)
R56 MINI Cooper S Hatchback (2007-13)

Parts Required:

Turbochargers oil feed line heat shield

Hot Tip:

Work with a cool exhaust

Performance Gain:

Prevent turbocharger failure

Complementary Modification:

Replace exhaust

Starting with the 2007 R56 MINI Cooper S models, MINI introduced the turbocharged engine. This 1.6 liter 4-cylinder engine produces more power (an extra 40 hp) and torque (an extra 80 lb-ft) than the equivalent 1.6 liter normally-aspirated engine. The key to the additional torque and power is the turbochargers closely mounted to the exhaust manifolds. As the exhaust is forced out of the cylinders, it powers a turbine which turns a compressor, essentially a high efficiency fan, blowing air forcibly into the intake system. The additional, denser air increases combustion efficiency and power as needed. This is an efficient way to achieve higher power output from an engine without increasing engine displacement.

Turbochargers spin at speeds of up to 10,000 rpm (or more) and require a very efficient oiling system. Eventually, with wear and tear, a turbocharger may be damaged and lose efficiency.

After turning off the engine, the heat radiating from the turbocharger may cause the engine oil to solidify in the oil supply line to the turbocharger. This can lead to a restriction in the oil supply line, resulting in damage to the turbocharger bearings. This is due to the proximity of the oil feed line to the turbocharger. A way to combat this heat is to install an oil feed line heat shield--which is what I'll show you how to do here.

Keep in mind that when your car was serviced before, parts may have been replaced with different size fasteners used in the replacement. The sizes of the nuts and bolts we give may be different from what you have, so be prepared with different size sockets and wrenches.

Protect your eyes, hands and body from fluids, dust and debris while working on your vehicle. If working with the electrical system, disconnect the battery before beginning. Always catch fluids in appropriate containers and properly dispose of any fluid waste. Recycle parts, packaging and fluids when possible. Do not work on your vehicle if you feel the task is beyond your ability.

Vehicle models change and evolve as they grow older, so the vehicle shown in our illustrations may vary slightly from yours. If something seems different, let us know and share your info to help other users. Questions or want to add to the article? Leave a comment below. When leaving a comment, please leave your vehicle information.

The turbocharger is mounted to the front of the engine (red arrow) covered by a heat shield.
Figure 1

The turbocharger is mounted to the front of the engine (red arrow) covered by a heat shield.

After turning off the engine, the heat radiating from the turbocharger may cause the engine oil to solidify in the oil feed line (red arrow) to the turbocharger.
Figure 2

After turning off the engine, the heat radiating from the turbocharger may cause the engine oil to solidify in the oil feed line (red arrow) to the turbocharger. This can lead to a restriction in the oil supply line, resulting in damage to the turbocharger bearings. (This is due to the proximity of the oil feed line to the turbocharger.)

A heat shield is available from MINI to help prevent this issue (red arrow).
Figure 3

A heat shield is available from MINI to help prevent this issue (red arrow). It simply slides behind the oil line and clips onto the banjo fitting. MINI had a technical service bulletin to add this part to vehicles. If your MINI is no longer under warranty, it will not be free. However, you can install this quick fix yourself in minutes.

Working at the turbocharger, slide the heat shield (red arrow) between the oil line and the turbocharger.
Figure 4

Working at the turbocharger, slide the heat shield (red arrow) between the oil line and the turbocharger. Be sure the heat shield wraps around the oil line.

As you slide the heat shield down, snap the clip onto the line crimp section (red arrow) of the oil line banjo fitting.
Figure 5

As you slide the heat shield down, snap the clip onto the line crimp section (red arrow) of the oil line banjo fitting. Pinch the flexible portion of the heat shield and slide it around the line. Be sure it wraps around the entire oil line.

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