21 Feb 21 Electric Fan Installation

Bouyed up by the recent breakthrough on the brakes, I today installed the electric fan from Revotec. I am expecting a visit from Phil James (Classic Auto Electrician) this week, and he is going to wire this up for me, so I needed to get a move on with sticking it on the car. I took delivery of the shiny box of bits some time ago and had mounted the fan on its brackets in the sub-assembly area (Dining Room Table). So all I had left to do today was to install it in place at the front of the radiator. This is a blower type fan which mounts on the front of the radiator as opposed to the engine fan, which sits behind the radiator and sucks. The instructions which came with the fan suggested the radiator was drained down, but as I was just replacing the top hose with new units incorporating the Electronic Control Unit (ECU) I couldnt see why this was neccessary.

First job was to remove the top and bottom bolts which mount the radiator to the shroud, leaving the centre two bolts holding the radiator in place. The bolts, which are new ones I had fitted, came out nicely enough. I then had the fun job of fitting the new bolts which were about 6″ long (long enough to secure the new fan assembly). Threading these onto the shroud was easy, but it was tedious because they had to go round and round many times. Like many times. I used a combination of hand winding and a ratchet spanner depending on how easily they were spinning. Next was to slip on spacers top and bottom and wriggle the brackets with the fan attached onto the bolts. All that was left was to pop a couple of washers on and four lock nuts and that was the fan installed.

Moving to the top hose, I removed this and caught the coolant in a bowl under the car and then mopped up the spillage. The kit from Revotec comes with two hoses to replace the single top hose and in the middle goes the ECU which is mounted on a short length of steel tube. The kit also included four good quality Jubilee clips and I actually remembered to put those on before I fitted the hoses. I orientated the ECU in what I guessed to the right position and this is how I have left it for Phil to complete the wiring. Pleased with the outcome of this little job today.

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