Checking and Adjustment Values (X 25 XE, Y 26 SE)
|
Engine |
|
X 25 XE |
|
Idle speed |
|
|
|
|
with manual transmission
with automatic transmission |
rpm
rpm |
570 - 730 1)
570 - 730 1) |
|
Maximum rpm |
rpm |
6800 1) |
|
CO content |
Vol. % |
1) |
|
Spark plug electrode gap |
mm |
0.9 - 1.1 |
|
Compression pressure |
kPa |
1200 - 1500 2) |
|
Pressure loss |
|
not more than 25% per cylinder |
|
Valve clearance |
mm |
0 |
|
Ignition timing at idle speed |
|
1) |
1) Correction and adjustment according to Checking Procedure with TECH 2. 2) The pressure difference between individual cylinders should not exceed 100 kPa (1 bar).
|
When checking the idle speed and the CO content, ensure the following: |
- Electrical consumers switched off
- Engine at operating temperature (oil temperature ≥ 80 ° C / 176 ° F).
- Selector lever in position "P" with automatic transmission
- CO test with 2,800 to 3,200 rpm without load
Checking and Adjustment Values (Continued)
|
Engine |
|
X 25 XE (as of MY '99) |
Y 26 SE |
|
Idle speed |
|
|
|
|
|
with manual transmission
with automatic transmission |
rpm
rpm |
640 - 800 1)
640 - 800 1) |
580 - 800 1)
580 - 800 1) |
|
Maximum rpm |
rpm |
6700 1) |
6800 1) |
|
CO content |
Vol. % |
1) |
1) |
|
Spark plug electrode gap |
mm |
0.9 - 1.1 |
1.25 - 1.45 |
|
Compression pressure |
kPa |
1200 - 1500 2) |
1200 - 1500 2) |
|
Pressure loss |
|
not more than 25% per cylinder |
not more than 25% per cylinder |
|
Valve clearance |
mm |
0 |
0 |
|
Ignition timing at idle speed |
|
1) |
1) |
1) Correction and adjustment according to Checking Procedure with TECH 2. 2) The pressure difference between individual cylinders should not exceed 100 kPa (1 bar).
|
When checking the idle speed and the CO content, ensure the following: |
- Electrical consumers switched off
- Engine at operating temperature (oil temperature ≥ 80 ° C / 176 ° F).
- Selector lever in position "P" with automatic transmission
- CO test with 2,800 to 3,200 rpm without load
|
