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When you engage the defroster you also engage the a/c compressor. If the engine needs a tuneup you could easily run into stalling problems. Check for vacuum leaks.
New answer: YES he is right on all the above. Here's a good test to run to make sure that the a/c compressor is NOT LOCKING UP when you turn the defroster on, is to JUST remove the A/C belt and start it back up and turn the defrosters on. If it don't die then you need to replace the A/C compressor are just leave the belt off if you can. Sometimes you can't.
What else can I help you with?
Why does 350 Chevy engine stall out after putting it into gear and will flood out?
Need to know the year and what it is in.
How much stall in a turbo 350 will work with a 406 with 410 gears?
For a 406 cubic inch engine with 410 gears, a stall converter in the range of 2,800 to 3,200 RPM would typically work well with a Turbo 350 transmission. This stall speed allows the engine to reach its power band effectively while still providing good streetability. However, specific requirements can vary based on the engine's camshaft, horsepower, and intended use, so it's advisable to consult with a performance specialist for tailored recommendations.
Why would your air conditioner blow out of the defrost vents ON 2000 F-350?
You probably have a jammed or otherwise defective vent door.
What would cause a 350 magnum v8 to skip?
There is no such engine as a 350 magnum
Is a 355 engine a 350 bored out?
Yes. That would be a 350 bored .030" oversize.
Why won't heater change from defrost to floor on 2001 Ford F-350?
you have a fuse out...
Which hose is the inlet to a heater core on a 350 Chevy engine?
The outlet from the 350 engine to feed the heater core would be the one closest to the thermostat.
How much does a 350 engine cost?
depends on which 350 a regular carburated 350 new would be like 3000 a regular fuel injected would be about the same. the the lt1 and ls1 would be about 4-5000
Is a 4.3 liter a 350 305 301 or a 260 engine?
it would be a 260 a 350 and 305 are Chevy motors
Will a tubro 350 stall converter work in a 700r4?
No. The spline pattern will not match.
What kind of 350 is in a 98 Tahoe lt?
Would be a 5.7 L Vortec 350 approx 285 horse engine..
Would a 350 engine go in a 92 caprice?
Yes,350 same block as 305 plus a few more my 92 has a 5.7 350 in it stock
