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Check it to make sure there is no Vacuum Leak. | Check it to make sure there is no Vacuum Leak. | ||
- | See Main Article: [[Vacuum_Leaks#Use_Your_Finger_Method|Vacuum Leaks]] | + | Also See: [[Vacuum_Leaks#Use_Your_Finger_Method|Vacuum Leaks]] |
- | Push the lever, then put your finger on the pipe. It should stay. Replace (or plug hose) if it the lever instantly pops back. | + | Push the lever, then put your finger on the pipe. The lever should stay in position. Replace the advance unit if it the lever instantly pops back. |
+ | <br>{{Album|2216}} | ||
- | Or use the gun method | + | Or use the [[Vacuum_Leaks#Vacuum_Gun_Method|gun method]]. If it holds vacuum the unit is good. |
<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=14074 http://datsun1200.com/uploads/photos/14074.jpg] | <br>[http://datsun1200.com/modules/myalbum/photo.php?lid=14074 http://datsun1200.com/uploads/photos/14074.jpg] | ||
+ | |||
+ | NOTE: as a temporary fix for a leaking advance, you can plug the vacuum hose to stop the leak. That won't fix the advance unit, but even so the A12 will run pretty good without the advance working. For best performance, replace the bad unit. | ||
= Inspect Contact Points = | = Inspect Contact Points = |
Revision as of 01:20, 18 August 2016
Inspect Mechanical Advance
Inspect Vacuum Advance
Check it to make sure there is no Vacuum Leak.
Also See: Vacuum Leaks
Push the lever, then put your finger on the pipe. The lever should stay in position. Replace the advance unit if it the lever instantly pops back.
Or use the gun method. If it holds vacuum the unit is good.
NOTE: as a temporary fix for a leaking advance, you can plug the vacuum hose to stop the leak. That won't fix the advance unit, but even so the A12 will run pretty good without the advance working. For best performance, replace the bad unit.
Inspect Contact Points
Adjust your 4-cylinder points to 49-55 degrees
See Main Article: Ignition Timing