Mine did that, I took it apart and discovered a large piece of wood had been sucked up, which was blocking the inlet tube. Now works fine. Not hard to do, all cross-head screws, worked for me.
Charles
January 2011
A blocked filter to the motor is the cause of this - the motor relies on the force of the vacuum process to actually cool itself down - so check all filters and the vacuum pipe for blockage.
John
July 2008
I can answer this question...
my vax turboforce has lost sucction and keeps overheating??
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