Caddy Maxi Electric fan.

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blueboy
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Posts: 41
Joined: Thu Apr 16, 2020 10:41 am
Engine size/power: 1.6 CR TDI (102bhp)

Caddy Maxi Electric fan.

Post by blueboy » Wed Jul 29, 2020 12:02 pm

I am trying to find out if its normal for the electric fan to be running when I pull up after a journey, I would have thought it would come on after a few minutes of ticking over.

I have driven home about 5 miles along free running roads 40 mph then down to 30 mph when reaching my village & when I pull up on my drive the fan is going.

Does this seem correct, its not a particularly hot day either.

VanLife
100BHP+
Posts: 161
Joined: Tue Feb 04, 2020 9:17 pm
Engine size/power: 1.6 CR TDI (102bhp)

Re: Caddy Maxi Electric fan.

Post by VanLife » Wed Jul 29, 2020 12:05 pm

Short answer is no.

Usually the fan(s) should only stay on when it's been driven hard or it's a particularly hot day.

Even after a long journey mine doesn't stay on after shutting down the engine.

blueboy
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Posts: 41
Joined: Thu Apr 16, 2020 10:41 am
Engine size/power: 1.6 CR TDI (102bhp)

Re: Caddy Maxi Electric fan.

Post by blueboy » Wed Jul 29, 2020 12:12 pm

Never drive it hard, the temp shows in the centre of the gauge always. Never seen it above halfway. Could it be a faulty switch or something like that. There are no restrictions on the airflow to radiator & radiator fluid level is always to the line on the expansion bottle when cool, slightly above when hot which is understandable.

robblowen
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Posts: 222
Joined: Tue Apr 02, 2019 6:54 am
Engine size/power: 1.6 CR TDI (102bhp)

Re: Caddy Maxi Electric fan.

Post by robblowen » Wed Jul 29, 2020 1:39 pm

@blueboy if its idling slightly faster than normal when you completely stop - around 1000rpm, it could be doing a DPF regen, especially if you never give it a bit of right boot or are doing short journeys?

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Bionicman
Hyper Poster
Posts: 565
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Engine size/power: 2.0 TDI (140bhp)
Location: Beverley

Re: Caddy Maxi Electric fan.

Post by Bionicman » Wed Jul 29, 2020 1:47 pm

Defo sounds like it is doing a regen mate, and the coolant temperature gauge on a Caddy very rarely ever goes past 90 degrees, nothing to worry or be concerned about.

blueboy
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Posts: 41
Joined: Thu Apr 16, 2020 10:41 am
Engine size/power: 1.6 CR TDI (102bhp)

Re: Caddy Maxi Electric fan.

Post by blueboy » Wed Jul 29, 2020 6:51 pm

Thanks for the helpful information, never though about the regeneration bit. Mostly take the Mrs to work & pick her up in the evening, about 4.5 miles each way.

Gets a run each week to my sisters about 14 miles each way & try to give it a bit of a rev now & again to give it a blast but rarely go past 3500 RPM.

robblowen
200BHP+
Posts: 222
Joined: Tue Apr 02, 2019 6:54 am
Engine size/power: 1.6 CR TDI (102bhp)

Re: Caddy Maxi Electric fan.

Post by robblowen » Wed Jul 29, 2020 8:32 pm

They just pick and choose when they do it, I did a 2 1/2 hour run to wales a couple of weeks ago and it started a regen in the last mile or so of the journey!!!

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jonasdagbro
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Re: Caddy Maxi Electric fan.

Post by jonasdagbro » Sun Aug 02, 2020 9:52 pm

My 2017 tdi did the same thing when I got home after buying it, then again the day after. Haven't heard the fan running after turning off the car since.

Shouldn't the car indicate in some way if it is regenerating? Does it complete the regeneration if the car is turned off or does it start over the next time the car is started?
2017 Caddy Maxi Life 2,0tdi dsg
2007 Caddy Life 1,9tdi

lal138
100BHP+
Posts: 115
Joined: Sat Aug 13, 2016 10:19 pm
Engine size/power: 2.0 TDI (140bhp)
Location: nprthampton

Re: Caddy Maxi Electric fan.

Post by lal138 » Mon Aug 03, 2020 7:27 pm

Hi i use vag dpf app and vgate icar pro bluetooth 4.0 elm 327 obd 11 car diagnostic scanner to monitor my regens very good you can leave this plugged in and just connect to android phone when you want to see whats happening and when regens are in progress.Since i had mine rolled back its about every 400 miles between regens and i use red x diesel every fill up.I have only covered about 4000 miles since rollback in 12 months but all seems good. :D :D :D

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