Cold Weather - Not great car

[pawpaw]

Sometimes a picture is worth 1000 words...

Love it. Going to check mine when it gets frigid.

[Dirk Diggler]

My defrost kicks more ass than Steven Segal. The G4 too, even with a crimp pipe on the heater core.

[AtomicPunk]

FWIW: just bought digital thermometer at harbor freight and checked passenger and driver vents. 139-140 degrees F at both on 2017 G4 with 29K miles. Will continue to monitor this winter.

[nickels]

? Guess I’ll post what I find in a few weeks.
Nickles, do you have manual or auto temp?

Manual controls, no AC

[Mark]

My defrost kicks more ass than Steven Segal. The G4 too, even with a crimp pipe on the heater core.

I checked my weather app for Atlanta, & it said you had a high of 67F today. We don't even roll our windows up for that!

During the day time it's been back up above freezing the past couple days. Feels warm again!

[Fummins]

It’s T-shirt weather here right now, 52f!

[Top_Fuel]

If you're going to test for a restricted heater core, you need to establish some consistent test conditions.

Here's an excerpt from the unofficial TSB I wrote for the problem...




See my test results in this post. I literally drove around all last winter with temperature probes coming out of my vents.