I just replaced the EHA valve on 87 560 SL - it had a rough idle.
I have been advised that when one replaces the EHA, you have to "rebalance the fuel system" can someone advise on what that means?
I have a new cap/rotor/wires on order - so would rather not make any adjustments to mixture until I install those items.

One more thing....I have been reading about dielectric grease....do I need to use that on the new rotor/cap/wires? It appears that the grease is model and year specific.


Thanks

It means that you need to adjust the air mixture (on the fuel distributor).

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No the dielectric grease is not model or year specific.The use of this item is to keep the boot of the wires from sticking,and acts as an insulator from moisture. Do install the wires plugs rotor cap and any thing you desire before setting the fuel mix,or set the mix and do the others its up to you!But when ever you do what ever you do don't get into a rush take you time to think and be sure of what you have done even if you must write it down to remember the direction of turns and the amount of turns,when setting the fuel mix.JNT

Look up EHA settings by just-n-time you will be able to do it I did JNT