Member Since: 08 Nov 2016
Location: Maldon, Essex
Posts: 515
How should an FBH sound?
After a few hiccups, my FBH is starting via the Bell Remote, however I am unsure if it is running correctly.
It fires up, smokes and settles down as I guess one should expect. However it does not whir or chug constantly. It seems to run flat out for a few minutes, then slow down, and stop. The flashing green led on the remote box goes full on. Then it roars up again with more smoke, led flashing and the cycle repeats.
I cannot feel any significant temperature change on the FBH water inlet or outlet hoses either even after 10 to 15 minutes?
What should I expect?
26th Nov 2016 4:24 pm
zinke
Member Since: 22 Feb 2014
Location: Scunthorpe
Posts: 584
It sounds like yours is trying to fire up and then going through the shut down cycle before trying again. When it's running it should have a constant noise to it after about the first couple of minutes. It probably needs a service as they do get blocked up with soot.
Pete.IID, webasto software and workshop facility's available.
29th Nov 2016 7:51 pm
Bodsy Site Sponsor
Member Since: 06 Nov 2006
Location: In the Clubhouse
Posts: 21361
next time you fire it up, as it starts to do the burn cycle, try blowing in the air inlet, ive recovered quite a few 'failed' FBH units. Its actually trying to fire, which is positive. Bodsys Brake Bible
Member Since: 08 Nov 2016
Location: Maldon, Essex
Posts: 515
I've roared a slug of carb cleaner though it today, no difference to the 15 minute 3 times run stop scenario. However initial burn now longer and louder, exhaust getting hot. Still no heat in the water side though. Looks like a strip/clean is in order. I'll try a good blow first though!
Whilst defrosting the missus E39 touring this morning, I stuck my hand on the end of her Webasto exhaust to find that was stone cold too. Looks like I have two to strip down now. Only hers is in the depths of the wheel arch
29th Nov 2016 9:26 pm
Barn1e D3 Decade
Member Since: 28 Aug 2006
Location: Mid-sussex
Posts: 2021
Robbie wrote:
FBH on life support:
Click image to enlarge
Mine went on Carb Cleaner life support for first time at 7 years old. Been fine for last 4years. Next scheduled life support in 2020.2005, TDV6 S, Auto, 190k miles, owned from new, V8 Brake Upgrade, Nancom Evo, RLD protector, BAS EGR blanking & Remap, separate ATF cooler, changing all the fluids ahead of time.
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