Engine/Transmission (1998.5 - 2002) Cooling down turbo b4 turning motor off

[ed9824v]

I have been excellant about letting the turbo cool to egt of 325* pre turbo before turning motor off. Is this important to do at all times or only after a large hill climb or load or pulling trailer, What is the general consesus on this proceedure ED

 

[DAN V]

necessary

I believe this is necessary. I do not shut my trucik down until the temp reaches at least 300*. This way the turbo has plenty of cool down time. The other choice is to get a cool down timer.

 

[JCyrbok]

I believe this is necessary. I do not shut my trucik down until the temp reaches at least 300*. This way the turbo has plenty of cool down time. The other choice is to get a cool down timer.

yep I let it cool to 300 every time too, only exception is the off chance that I run through a drive through at mc'd or wendys.



J-

 

[HBarlow]

The owner's manual calls for a cool down time between five and one minute depending on speed and load just prior to stop. A member once reported that he monitored the time and EGT and the prescribed times corresponded with 300*.

I"ve always allowed time to cool to 300* but now only 400* on the ISB6. 7 with watercooled turbo.

 

[Bob Cochran]

Have you ever watched the egt when the ambient temp is 115? You may find you can never shutdown it 300 is the number you are using. Just a thought for you to ponder!!!

 

[HBarlow]

Mine have always cooled quickly once the a/c was switched off.

 

[ALepley]

Thank god for turbo timers!!!! It would drive me nuts to have to sit there and wait. hahaha

 

[HBarlow]

Some owners drive them like a gasser and simply shut them down when they stop. Many probably get away with it, particularly with the ISB6. 7 watercooled turbos.

I always wait for cool down.

 

[Bob Cochran]

I am not say not to cool down the turbo!!! I used to us time but now use temperature and here in the summer I set 350 or 375. Winter use 300. with modern day oils I think this is workable and will not have oil coke in the turbo. IMO

 

[AH64ID]

I always wait until at least 300*.

I have found that if I downshift in the neighborhood into 2nd after towing and do about 15mph by the time I stop in the drive and look at the pyro its at 225*, even if its 95* out.

If I am not there I just bump the idle up to 1100 for a 10-30 seconds and once I kick out of high idle it drops below 300 very quick.


I would like to get a post turbo pyro just for shutdown.