Mishimoto Fan Shroud Fail - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

om3ga · 10-01-2011, 06:16 PM

On a buddies car about 6 months ago we installed a Mishimoto fan shroud on a Mishimoto radiator.

The design of the mounting points for the fans on the Mishimoto fan shroud had me concerned and confused since the beginning. The fact that the fans were allowed to move towards the fins on the radiator was rather strange. I thought it would be better for them to be stationary instead of moving around. Apparently they have moved around enough to penetrate the radiator core. We noticed that the coolant reservoir was low and did not know why it was slowly going down over the course of a few weeks. I decided to check the radiator and saw that it was low in there as well, we added about half a gallon of coolant in the Mishimoto radiator and decided to start the engine and check for leaks.

We were talking about it possibly being the headgasket because it was recently changed and thought it may not have sealed properly. However, when we started the car and the thermostat opened up we saw little drips coming out of the fans. We assumed it was just some coolant that we had spilled out so we dried the fans off with a towel and started it again. It was indeed leaking from somewhere, after shutting it off after a few revs we noticed a steady stream coming out of the radiator in two places right near the sharp edges of the mobile fan brackets.

:frown:

I'm not sure who the program manager for this project was but the engineers need to reconsider their design.

10-01-2011, 06:16 PM	#1
om3ga Zilvia Addict Join Date: Jan 2007 Location: Up and Down! California Posts: 878 Trader Rating: (8) Feedback Score: 8 reviews	Mishimoto Fan Shroud Fail On a buddies car about 6 months ago we installed a Mishimoto fan shroud on a Mishimoto radiator. The design of the mounting points for the fans on the Mishimoto fan shroud had me concerned and confused since the beginning. The fact that the fans were allowed to move towards the fins on the radiator was rather strange. I thought it would be better for them to be stationary instead of moving around. Apparently they have moved around enough to penetrate the radiator core. We noticed that the coolant reservoir was low and did not know why it was slowly going down over the course of a few weeks. I decided to check the radiator and saw that it was low in there as well, we added about half a gallon of coolant in the Mishimoto radiator and decided to start the engine and check for leaks. We were talking about it possibly being the headgasket because it was recently changed and thought it may not have sealed properly. However, when we started the car and the thermostat opened up we saw little drips coming out of the fans. We assumed it was just some coolant that we had spilled out so we dried the fans off with a towel and started it again. It was indeed leaking from somewhere, after shutting it off after a few revs we noticed a steady stream coming out of the radiator in two places right near the sharp edges of the mobile fan brackets. :frown: I'm not sure who the program manager for this project was but the engineers need to reconsider their design.