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- 31,411
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They aren't changing much. Should go 0-100 or there abouts
P38A Heater
- Thread starter pete12345
- Start date
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- 2,427
- Location
- Isle Sheppy
I didn’t change the temperature much just little to see I’ve they moved
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- 31,411
- Location
- North Shropshire
Go from HI to LO and back, you need to see those values
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- 2,427
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- Isle Sheppy
Will do thanks just drying off and a warm up then go and check
- Posts
- 2,427
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- Isle Sheppy
- Posts
- 31,411
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- North Shropshire
That looks good?
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- 2,427
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- Isle Sheppy
That’s what I was thinking just still wondering why left is hot but right stays cold as posted before blend motors are all new
Datatek
Well-Known Member
- Posts
- 43,951
- Location
- Near Poitiers SW France
Sounds like the blend motor is moving but it's not driving the flap. I would suspect the gears are stripped.
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- 31,411
- Location
- North Shropshire
If i recall, the pot is the last in the gear set? If that's turning them the rest must be ok?
Datatek
Well-Known Member
- Posts
- 43,951
- Location
- Near Poitiers SW France
I'd have to go look at one, but if the POT is turning as indicated by diagnostics, as sure as heck the flap is not moving.
- Posts
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- Location
- North Shropshire
Datatek
Well-Known Member
- Posts
- 43,951
- Location
- Near Poitiers SW France
It's hissing down here, not about to walk to the barn to look this evening.I looked but i can't find mine
Did find some poly bushes though. And 2 coil packs
- Posts
- 2,427
- Location
- Isle Sheppy
Been like that all day here data hissing down
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- 2,427
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- Isle Sheppy
Will try to look through vent see I’ve the plan is caught or broken thanks
- Posts
- 31,411
- Location
- North Shropshire
If you can catch sight of the motor then you might see the manual lever as it moves.
Failing that take the motor off, operate the flap by hands to see if the flap actually moves. You'll hear it thunk if so.
While it's dangling, turn the ignition on, see if the motor moves, you might need to adjust the temp.
Don't let it move much or you'll need to clear the fault
Failing that take the motor off, operate the flap by hands to see if the flap actually moves. You'll hear it thunk if so.
While it's dangling, turn the ignition on, see if the motor moves, you might need to adjust the temp.
Don't let it move much or you'll need to clear the fault
Datatek
Well-Known Member
- Posts
- 43,951
- Location
- Near Poitiers SW France
The water is knee deep on the mill island
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- 2,427
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- Isle Sheppy
Clear what faults there ain’t any wish there was would give a clue
Datatek
Well-Known Member
- Posts
- 43,951
- Location
- Near Poitiers SW France
If the diagnostics show the value going from zero to 100, the the final stage gear is turning as that is what drives the potentiometer gear as can be seen in the photo. so if the blend flap is not moving, either the plastic drive shaft on the final gear has sheared or the keyway into which it fits has rounded off so there is no drive for the flap. It's also possible that the flap itself has broken off.
- Posts
- 2,427
- Location
- Isle Sheppy
Thanks data for the pic also the flap could be jammed yer I’ve not had a chance to look yet been on nights
Datatek
Well-Known Member
- Posts
- 43,951
- Location
- Near Poitiers SW France
Flap cannot be jammed as the readings would not change unless it's jammed and the drive shaft has stripped.
