D5 compression test?

Shadow90 · Oct 12th, 2014, 10:34

Hi I'm planning on doing a compression test on my 07my 185 d5 today however I've never done a compression test on a diesel before and would like to know how you stop the d5 injecting fuel for the test? On an older diesel would just pull solenoid wire on pump but what on a d5? I've got the loan of a tester today that reads through the glow plug hole which I have to give back in the morn so all tips and help appreciated.

Thanks

cheshired5 · Oct 12th, 2014, 12:03

Just pull the ECM fuse. Ignition off for 15 mins first though.
Post your results.

cheshired5 · Oct 12th, 2014, 12:06

Quote:

Originally Posted by cheshired5

Just pull the ECM fuse. Ignition off for 15 mins first though.
Post your results.

Make that relay. Sorry.

Shadow90 · Oct 12th, 2014, 13:58

Where is it located I pulled what diagram on rear of lid said was it but engine won't turn then?

GrahamBrown1 · Oct 12th, 2014, 16:44

what about disconnecting the injectors via the electrical connections?

cheshired5 · Oct 12th, 2014, 16:44

Quote:

Originally Posted by Shadow90

Where is it located I pulled what diagram on rear of lid said was it but engine won't turn then?

This is what Haynes says.....

Shadow90 · Oct 12th, 2014, 17:09

Quote:

Originally Posted by cheshired5

This is what Haynes says.....

Yep that's what lid said aswell but it kills starter I ended up pulling fuel pump fuse number 19 I think turned over didn't start so I went with that.
All cylinders were 300 apart from 5 which was 280 this was on a cold/cool engine as had limited time they would be higher on a normal temp engine.

cheshired5 · Oct 12th, 2014, 22:22

Yes, a warm engine is recommended but those figures look pretty good and and even number 5 is within tolerance.

5cilinder · Oct 17th, 2014, 03:37

A readout on vida concerning fuelcorrections on the injectors and rpm's for each cillinder gives a good indication of the compression indirectly

pscouto · Jun 20th, 2022, 18:28

Quote:

Originally Posted by 5cilinder

A readout on vida concerning fuelcorrections on the injectors and rpm's for each cillinder gives a good indication of the compression indirectly

Can you expand on that?

I have vida what should be expected on a 2009 xc60 d5?

Thank you

Oct 12th, 2014, 10:34	#1
Shadow90 New Member Last Online: Nov 29th, 2017 00:01 Join Date: Oct 2014 Location: Garage.	D5 compression test? Hi I'm planning on doing a compression test on my 07my 185 d5 today however I've never done a compression test on a diesel before and would like to know how you stop the d5 injecting fuel for the test? On an older diesel would just pull solenoid wire on pump but what on a d5? I've got the loan of a tester today that reads through the glow plug hole which I have to give back in the morn so all tips and help appreciated. Thanks

Oct 12th, 2014, 12:03	#2
cheshired5 Premier Member Last Online: Dec 26th, 2021 13:42 Join Date: Dec 2013 Location: Crewe	Just pull the ECM fuse. Ignition off for 15 mins first though. Post your results. __________________ 2002 S60 SE D5 Manual 209000 miles Last edited by cheshired5; Oct 12th, 2014 at 12:05.

Oct 12th, 2014, 16:44	#5
GrahamBrown1 VOC Member Last Online: Today 15:27 Join Date: Feb 2013 Location: North Yorkshire	what about disconnecting the injectors via the electrical connections? __________________ Previous -03 S40, 04 V70 D5 SE, 04 V70 D5 Sport, 05 V50, 07 S60 D5, 09 V70 D5 R design, 12 XC60 DrivE, 15 V60 VEA Oil Burner Current- 05 XC90 D5 Executive, 12 XC70 D4 AWD Se Lux, 14 S80 D3 Se Lux

Oct 12th, 2014, 22:22	#8
cheshired5 Premier Member Last Online: Dec 26th, 2021 13:42 Join Date: Dec 2013 Location: Crewe	Yes, a warm engine is recommended but those figures look pretty good and and even number 5 is within tolerance. __________________ 2002 S60 SE D5 Manual 209000 miles

Oct 12th, 2014, 13:58	#4
Shadow90 New Member Last Online: Nov 29th, 2017 00:01 Join Date: Oct 2014 Location: Garage.	Where is it located I pulled what diagram on rear of lid said was it but engine won't turn then?

Oct 17th, 2014, 03:37	#9
5cilinder Premier Member Last Online: Today 02:41 Join Date: Oct 2011 Location: Groningen	A readout on vida concerning fuelcorrections on the injectors and rpm's for each cillinder gives a good indication of the compression indirectly

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