Hello Fellas,

What are you seeing for EGT temps (pre turbo) when at idle, in Park, with the defroster on, just before you shut her down?

Here's why I am asking:

When the defroster is not on, it drops down to 350-375* pretty quickly.

When it is on, it seems the EGTs don't want to drop below 400*.

Did you ever notice this? Try it. What do you make of this?

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06 CRD LIMITED- Factory Belly Armor, Hooks.
EHM, MagnaFlow SS Cat Back, FS-2500, HDS 001 TStat, Some Gauges, PML Trans Pan, PML Diff Cover, Marinco Mod, FIA Blanket, Cooper Discoverer ATR 225/75, CTS 245/70, Front-JBA 2.25" C/Os, Rear-OME HD, JBA UCA, SS Brake Lines.

Defrost uses the AC Compressor to dry out the air coming out of the defrost vents which can load the engine up to ~9 HP.
Automobile manufactures do it for purely profit motivation. People that get in wrecks because they can't see out the windshield might become disabled or die and not be repeat customers. Those greedy selfish car companies who try to keep people alive just so they keep buying cars
When you are going at highway speeds having windows open adds more drag than ~9HP so you are better off with the AC on and windows rolled up.

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2006 Pearl Green CRD
Magnaflow 2 1/2" Cat Back
KJ Extra Leg Room Brackets, Carter Lift Pump, V6 Airbox, ORM
Fuel cooler, Oil Separator, Progard 7
Gauges EGT Boost Trans Temp Oil Pres, Michelin LXT AT2 245 70 R16
7,000# Draw Tight hitch, PML EX Deep Trans Pan
Centrifuge, SunCoast, Transgo, RAM TCM, InMotion Stage 2
Wife's 99 TDI VW Beetle

Thanks for the great explaination. I did not know it was 9 hp.

I am aware that with the defroster on causes the compressor to run, and the fan to run.
This is one of my next mods.....I would like to have a choice. Just have to find the time to fiddle a switch in there.
There was a post some time back on how to do this. Got to find it again.

I, like most of you on this board, am not the average driver.
I control my vehicle, not the other way around.

So my Father was right in saying that you should ALWAYS turn the AC or Defrost OFF before shut down.

And on our vehicle it seems that if you don't, you will never get down to shut down temps, except maybe in the Winter.
Something you all might want to think about if you plan on keeping your turbo.

_________________
06 CRD LIMITED- Factory Belly Armor, Hooks.
EHM, MagnaFlow SS Cat Back, FS-2500, HDS 001 TStat, Some Gauges, PML Trans Pan, PML Diff Cover, Marinco Mod, FIA Blanket, Cooper Discoverer ATR 225/75, CTS 245/70, Front-JBA 2.25" C/Os, Rear-OME HD, JBA UCA, SS Brake Lines.

My dad used to tell me the same thing, that's good to know

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05 CRD Limited, SEGR Kit, EHM, Selectrack Alpine DVD, 6000k HID headlights, Aux Lift Pump, 2.5" straight pipe, Diablo Extreme Puck, Euro converter
02 SLT Cummins H.O. 6spd manual with southbend 3850dd, fass 150hd, ddp 150hp injectors, arp studs, adrenaline stacked w smarty, traction bars, 6 inch stacks, level kit, bhaf

I would like to edit my previous post here.

MY vehicle does not get down below shut down temp with the defrost on.

If yours does, please let us know.

_________________
06 CRD LIMITED- Factory Belly Armor, Hooks.
EHM, MagnaFlow SS Cat Back, FS-2500, HDS 001 TStat, Some Gauges, PML Trans Pan, PML Diff Cover, Marinco Mod, FIA Blanket, Cooper Discoverer ATR 225/75, CTS 245/70, Front-JBA 2.25" C/Os, Rear-OME HD, JBA UCA, SS Brake Lines.