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2003 volvo isx15 cm570 issues - Printable Version

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RE: 2003 volvo isx15 cm570 issues - Magnat1976 - 12-05-2024

Hi Rowze,what your thoughts about my engine compression readings and Difference?


RE: 2003 volvo isx15 cm570 issues - tree98 - 12-05-2024

.....erased.......


RE: 2003 volvo isx15 cm570 issues - Magnat1976 - 12-06-2024

(12-05-2024 )tree98 Wrote:  .....erased.......

What erased?


RE: 2003 volvo isx15 cm570 issues - Magnat1976 - 12-06-2024

Hello,please advise asap..
We did mechanical compression test..
Cylinder#1-500
#2-520
#3-580
#4-600
#5-570
#6-580
Difference between #1 and #4 is 20%
Is it out of tolerance, critical?I have blow by,not huge,almost no oil consumption.
This can cause stumbling, surge,loss of power,and very bad vibration on road speed at 65mp.1500rpm..


RE: 2003 volvo isx15 cm570 issues - Rawze - 12-06-2024

(12-05-2024 )Magnat1976 Wrote:  Hi Rowze,what your thoughts about my engine compression readings and Difference?

not sure,.. never had to deal with that before. L:ike your first post ststes.. it has 830k+ miles on it.
does it have after-market parts or head in it?.

If its still running good, its time for rods/mains. Look at wear on everything while its apart for this.


RE: 2003 volvo isx15 cm570 issues - Magnat1976 - 12-06-2024

All cummins parts,overhauled at cummins at 536k miles