Super Moderator & CA manager
Subscriber2 quick questions, both relate to a 3.9 V8 from a D1. (Although this is all in my RRC)
First up - which way does the fan undo? Book just says ‘Diesel models are left hand thread’ but not much else - so are these RH thread? Would have though they would be the same as the engines spin in the same direction.
Secondly - Just got a better radiator but it’s from a manual so doesn’t have the cooling loop for the auto but tye auto still runs through a seperate cooler up front anyway - given that I won’t be towing anything, would the trans be fine just running through the front one or should I upgrade this to a better cooler straight up?
TIA.
If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.
ForumSage
Gav, Fans undo in the same direction as they rotate. (kudos to Blknight for saving my butt awhile ago)
Just as a side note, the engine spinning in the same direction won't guarantee the fans spin the same way as (an example) the 3.5 has v-belts and drive the pulley from over the top where as the 3.9 with serpentine drives the pulley from underneath.
rover 3p9 belt map.jpg rover v8 v belts.jpg
Last edited by pop058; 13th January 2019 at 05:47 PM. Reason: added some detail
ForumSage
Q2. The Disco's have an idiot light for trans temp which probably does not help you much. It maybe worth adding a second cooler if space allows it. I put an extra one (from an RRC) on my 300 auto D1 by cutting into the original lines. I doubled up on all the hose clips as a precaution as I have had one blow off.
IMG_20161130_144303.jpg IMG_20161201_102500.jpg
Super Moderator & CA manager
SubscriberThat’s a good idea - thanks. I have access to another cooler like that. 👍
If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.
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