Volvo D24 - Remove Injectors; Connect Compression Tester; Run Engine and Record Compression; Install Injectors

Gtoup 21 Engina
Compression
test
44
Remove iniectors
Use 27 mm socket
{Volvo
P/N
1158146}.
Lift out h€at shields undsriniectors
otherwise
they
will
be blown out
during compression
tesl.
A5
Connect compression
testel
Placea
heatshield incylind€r head and screwin
adapter
5191. Ighten to 70
Nm
{50
ft lbs).
connect compression
tester to adapter.
A6
Run engine and record
Compression
Min
Max differ€nce between
Install iniectors
Place
new heat shields
injectors. Torque
to 70
Reconnect delivery
Tightening
torque 25
compression
=
3.2MPa{455psi}
=
2.4MPa
(341
psi)
=
0.8MP.
(114
psi)
A7
in
cylinder
head,
seefig. Install
Nm
(s0
it.
lbs).
A8
pipes
Nm
(18
ft lbsl.
A9
Reconnect wire to stop
valve
Install
pump plungor
and
Check
pump
O-ring. replace
r'.l0
vacuum
pumP
18