MalibuAnother long running GM name, the Malibu has overcome many changes to be one of the top mid size sedans heading into its eight generation.
This area is for FWD models 1997 and newer Platform: N-, Epsilon, Epsilon II.
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I've removed the torx fasteners for the door pull trim and support along with the two rear facing trim pins. This is where I'm stuck -- Does the release lever bezel/trim require removal (it seems quite secure)? Does the entire panel pop outward, slide forward or upwards?
Any insight you could provide this ex-tech would be much appreciated!
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Ok, simple enough was getting the panel off when armed with insight (thanks again!).
Now I get to my actual problem which is an inoperative lock solenoid. A click at the actuator is evident on both the lock and unlock events but no actual lever movement is evident. Was hoping it was simply a rod having popped loose but further inspection revealed the latch/actuator to be an assembly with all parts internal. After removal of the latch/actuator reality smacks me again with the fact that we have yet another unserviceable part (riveted assy).
What I'm hoping to find out is -- Is this actuator a commonly failed item? Not having a wiring schematic to attempt manually cycling it is there any possibility it could be a wiring type of power or grounding issue? Maybe something else all together?
Looking to find if it's one of those "Say no more, it's common and is..." repairs before paying the parts dept or traipsing through the junkyard.
The door latch assembly includes the lock actuator and the door ajar switch. There are four wires going to it:
TAN wire, unlock control voltage
GRY wire, lock control voltage
LT BLU/BLK wire, door ajar switch signal
BLK wire, door ajar switch ground
If you measure the voltage across the TAN and GRY wires, you'll see a positive voltage when unlocking and negative voltage (reverse polarity) when locking. If it turns out to be the actuator, you can replace the whole assembly or leave it in place and then graft on a universal actuator (dime a dozen on eBay).