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Kenworth t904 cab fan not blowing hard

2008 kenworth t904

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I have a 2009 Kenworth W900. The ac/heater started only coming out the defrost. Now hardly any air comes out of any vents even though fan running. Cause? Solution?

The mechanism that controls the louvres for directing air flow is fubar. PIA because it is behind the dashboard.

Feb 21, 2016 | Cars & Trucks

1 Answer

Location of blower motor in 1987 t600 kw

Search Results Blower Motor (HVAC) on HeavyTruckParts.Net
$350.00 1993 KENWORTH T600 Blower Motor (HVAC) .... Plastic; Blower Wheel, OEM# 589540 Peterbilt, 2000 1987, All w/Bergstrom A/C 4-1/2? Dia. (CCW) ...

Search Results Kenworth T600 Blower Motor (HVAC) on ...
Search Results for Kenworth T600 Blower Motor (HVAC) on HeavyTruckParts.Net. Easily find what you need from thousands of parts available. has ...

Viewing a thread - Kenworth cab fan - AgTalk Home

Jan 21, 2014 - 9 posts - ‎9 authors

Feb 03, 2016 | Cars & Trucks

1 Answer

Vents in truck blow hot air all the time

Maby a bad a/c control panel. Or the wiring harness is shot. I would check wires for good connectivity and no burnt wires, and check all of the fuses for a start

Dec 01, 2015 | AC Cars & Trucks

1 Answer

Ac not blowing cold air in front cab of 2002 chevy tahoe

there are 10 tests.
step 1 is the fan blowing hard and the A/C lamp on.
step 2, is the compressor shaft spinning fast. (not pulley the shaft)
ask for more DIY tests. if you can answer above.

May 14, 2014 | Cars & Trucks

1 Answer

No heat, replaced water pump

1: engine must reach 180F, and hold there , does it?
2: the coolant must reach the cab heater box, does it?
3: the fan must blow.
4: the air from fan must pass thru this core, does yours. if not
the dampers are bunged.

Mar 23, 2014 | 2008 Jeep Commander

1 Answer

Heater wont blow warm or hot on a 2009 Kenworth K108 cabover with Cummins engine.Has anyone had this happening to their Kenworth truck?Any feedback is much appreciated.

Check the heater tap control is operating when you turn it on. Check the hoses into the cab for kinks and blockages. AS the heater is above the engine ensure that there is no air lock in the system

May 18, 2013 | Cars & Trucks

2 Answers

A t600 kenworth 2000 model the blower motor only blows on high is it the resister

Yes - you diagnosed the problem yourself. The classic symptom of a heater that only blows on the "High" setting is a burned out/damaged or otherwise inoperative blower resistor.
Replacing the resistor should return the two missing blower fan speeds.

Dec 05, 2011 | Cars & Trucks

1 Answer

2008 saturn vue when ac or heater is on the fan blows hard then completly shuts off then comes back on on low then blows hard again all without touching the knob

You have a problem with the heater blower speed controller, they act this way just before they stop working completely.

Oct 08, 2008 | Saturn Vue Cars & Trucks

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