2013 Bluebird Vision webasto auto start issues

This topic contains 4 replies and was last updated by blaise-bodway-2 7 years 2 months ago
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blaise-bodway-2
March 7th, 2014 12:46pm
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We have 12 2013 Visions which are on their 2nd winter in Wisconsin, last year we saw no issues with the Webasto pre-heaters auto-firing by the timer settings. This year when temps fell below zero the units would not auto start, if we pressed the manual button they would fire up with no problems. Have changing fuel filters, check nozzle and electrode spacing the problem still continued on extreme cold mornings. We have rerouted the main 10 Gauge wire from the fuse panel in the side box directly to the 4 gauge body supply cable post and the problem has been less of an issue. Will be doing some amperage testing to see if we need a direct supply from the battery
john-whelan-2
March 8th, 2014 6:39pm
Blaise we bypassed the fuse module and went direct with our 2009 Webastos which needed a 12 Volt reboot to fire up. They must require a lot of amperage to get going? We found a lot of failures with the circuit boards.

blaise-bodway-2
March 8th, 2014 8:06pm
Thanks John, That re affirms what we were thinking.
blaise-bodway-2
April 8th, 2014 7:21am
a mechanic from Brant Buses told me the scholastic heater needs 145# of pressure at the nozzle to fire properly. He had taken an old nozzle and drilled it out to solder in fitting to hook up a gauge. You then can adjust the fuel pump output to proper pressure. We will be looking at that and report back
john-whelan-2
February 18th, 2017 3:30pm
Webastos in our fleet are dated 2006 to 2009. We have 2 Thomas 2015s that came with new timer model no issues yet. However one of them are popping up DEF codes (Cummins ISB) when the Webasto kicks in. It's filed in the glitch category right now. Thanks for the tip Blaise.

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