Fixing FL5 Civic Type R Limp Mode with a CSF Radiator!

After draining the coolant the upper radiator hose is removed.

Next, the fan motors are unplugged from the bottom and the lower radiator hose is removed from the engine side.

Next the bolts holding the fan assembly are removed on the top of the radiator.

The bolts on the bottom of the radiator are also removed next.

The coolant line to the surge tank is removed from the upper radiator tank,

9 comments

  1. Would love to know if CSF has any plans to make replacement radiators for the BMW F chassis cars with the B58 engine.

  2. Can you share which front mount intercooler you used? I’m running the PRL intercooler and stock radiator on my DE5, and debating if I should swap back to OEM intercooler (less airflow blockage to the radiator I’m told) in conjunction with a beefier radiator.

    1. The car the radiator was tested on was running the stock intercooler. Currently the only cooling mod is the CSF radiator (still on stock coolant too). The CSF radiator alone may take care of your temps and allow you to continue running your aftermarket intercooler. FYI, CSF is also currently developing an oil cooler kit.

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