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  #1  
Old 08-18-2014, 06:00 AM
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Temps and Pressures Grand Cherokee

After hunting through many threads trying to locate a place that lists temps and pressures for the various models, I struck out.
So though we should have a one stop shop for the normal displayed indications for the various models.
If you know your normal operating parameters add to the thread and I'd ask one of the moderators to edit this first post to keep them in the one location..


3.0L Diesel (240 hp)
Trans Temp Normal Range __DegF to __DegF; __DegC to __DegC
Oil Temp Normal Range __DegF to __DegF; __DegC to __DegC
Oil Pressure Normal Range __ Psi to __Psi; __BAR to __BAR

3.6L Pentastar (290 hp)
Trans Temp Normal Range __DegF to __DegF; __DegC to __DegC
Oil Temp Normal Range __DegF to __DegF; __DegC to __DegC
Oil Pressure Normal Range __ Psi to __Psi; __BAR to __BAR

5.7L Hemi (360 hp)
Trans Temp Normal Range __DegF to __DegF; __DegC to __DegC
Oil Temp Normal Range __DegF to __DegF; __DegC to __DegC
Oil Pressure Normal Range __ Psi to __Psi; __BAR to __BAR

6.4L Hemi (470 hp)
Trans Temp Normal Range __DegF to __DegF; __DegC to __DegC
Oil Temp Normal Range __DegF to __DegF; __DegC to __DegC
Oil Pressure Normal Range __ Psi to __Psi; __BAR to __BAR
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  #2  
Old 08-20-2014, 01:14 AM
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Re: Temps and Pressures Grand Cherokee

Quote:
Originally Posted by MMAG4X4 View Post
After hunting through many threads trying to locate a place that lists temps and pressures for the various models, I struck out.
So though we should have a one stop shop for the normal displayed indications for the various models.
If you know your normal operating parameters add to the thread and I'd ask one of the moderators to edit this first post to keep them in the one location..


3.0L Diesel (240 hp)
Trans Temp Normal Range __DegF to __DegF; __DegC to __DegC
Oil Temp Normal Range __DegF to __DegF; __DegC to __DegC
Oil Pressure Normal Range __ Psi to __Psi; __BAR to __BAR

3.6L Pentastar (290 hp)
Trans Temp Normal Range __DegF to __DegF; __DegC to __DegC
Oil Temp Normal Range __DegF to __DegF; __DegC to __DegC
Oil Pressure Normal Range __ Psi to __Psi; __BAR to __BAR

5.7L Hemi (360 hp)
Trans Temp Normal Range __DegF to __DegF; __DegC to __DegC
Oil Temp Normal Range __DegF to __DegF; __DegC to __DegC
Oil Pressure Normal Range __ Psi to __Psi; __BAR to __BAR

6.4L Hemi (470 hp)
Trans Temp Normal Range __DegF to __DegF; __DegC to __DegC
Oil Temp Normal Range __DegF to __DegF; __DegC to __DegC
Oil Pressure Normal Range __ Psi to __Psi; __BAR to __BAR

3.6L Pentastar (290 hp)
Trans Temp Normal Range 158DegF to 185DegF; 70DegC to 85DegC
Oil Temp Normal Range 176DegF to 203DegF; 80DegC to 95DegC
Oil Pressure Normal Range 29Psi to 84Psi; 2.1BAR to 6.0BAR
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  #3  
Old 08-21-2014, 02:17 PM
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Re: Temps and Pressures Grand Cherokee

I'll bite maybe give a vague comparison.
3.6 Pentastar
5 minutes of idling then 40 minutes of hard stop and go driving, throttle is an on/off switch to me. 91* day in SoFla
All temps where steady and rarely vary more than +/- 2*F
Trans. Temp 167* F
Oil Temp 183* F
Oil Pressure 24 psi at idle +/- 2? - 38psi at 55mph - up to? Never looked at full throttle.
Coolant temp 199* - 204*
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