SOHC ENGINE MECANICAL 1B–11
DAEWOO M-150 BL2
The measured value of valve clearance should meet the
specified value. If not, adjust the valve clearance.
Important: In case of hot engine, warm up the engine
until the electric cooling fan begins to work and stop the
engine to adjust the clearance with 20–30 minutes there
from.
Unit : mm (in.)
Item
Specified value
ÁÁÁ
Intake
0.15±0.02
(0.0059±0.0008)
ÁÁÁ
Valve
Cold
Exhaust
0.32±0.02
(0.0126±0.0008)
ÁÁÁ
Valve
Clearance
Intake
0.25±0.02
(0.0098±0.0008)
ÁÁÁ
Hot
Exhaust
0.42±0.02
(0.0165±0.0008)
8. When adjusting the valve clearance, loosen the ad-
just nut (k) and then tighten or loosen the adjust rod (l)
properly.
D102B307
IGNITION TIMING CHECK AND
ADJUSTMENT (TYPICAL)
Note: Ignition timing could not be adjusted for Direct
Ignition System (Euro Stage III).
Check and adjust the ignition timing in the following pro-
cedures:
1. Warm up the engine to the normal operating tempera-
ture.
2. Turn off the lamp and audio system and shift the shift
gear lever in Neutral.
D12B3081
3. Connect terminal A and terminal C of ALDL connec-
tor using the wire (m) or connect the scan tool (n) with
ALDL connector.
4. Connect the timing light (o) with No. 1 cylinder high
tension cable and check the specified value for the
ignition timing, flashing notch on the crankshaft
pulley.
Item
Specified Value
Ignition timing – 950rpm 10_ BTDC
Important: In flashing the timing light, if crankshaft
pulley notch (p) is matched with the mark (10) for timing
check, the ignition timing is 10_ BTDC.
D102B309