Is there an oil cooling problem with the 370Z?

kannibul

Recommended by Nissan - no...

In fact, Nissan says they'll consider an oil cooler being installed as a non-warrantee "abuse" indicator. Remove it before you take it in for any warranty issues

The oil cooler deally is just people concerned over oil temps - which is only a problem if you track (race) the car.

Modshack

Nissan has specifically said it is NOT a warranty killer (unless it causes the problem). You cannot assume a car is being tracked just because it has a cooler on it. Re-read the response AK got from Nissan:

Originally Posted by Nissan USA
The 370Z has an engine protection system that reduces peak engine speeds when the oil temperature exceeds recommended levels in order to protect against possible engine damage. Aggressive driving of the 370Z on a race track at sustained high engine speeds can cause increases in oil temperature and may activate this engine protection system. To avoid activation of this engine protection system and these reduced peak engine speeds, Nissan recommends an oil cooler be fitted to the 370Z before driving it on a race track. A Nissan Motorsports accessory oil cooler kit is available for customer purchase through authorized Nissan dealerships for race track use. The part number is 21300-SS370.

An oil cooler is not necessary for normal operation of the vehicle on public roads. The addition of an oil cooler would have raised the price of the car and potentially moved it out of the reach of some customers. Value has been a core principle of the Z car since the original 240Z and we choose to uphold this core principle by not adding additional costs that are unnecessary for normal use. For those individuals who choose to drive their vehicle on a race track, the oil cooler is available as an aftersales item.

The oil cooler is a Nissan Motorsports item and as such is sold without warranty, express or implied, unless expressly prohibited by law in which case the warranty provided is the minimum required by law. The installation of the Nissan Motorsports oil cooler does not, by itself, “void” the vehicle warranty. However any damage caused by the installation or use of this part is expressly excluded under the terms of the Nissan New Vehicle Limited warranty.

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Oil Cooler DIY: Here!