Starter problem?

A

abailey55

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Sep 5, 2024
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I own a 2007 C70 with just 42,000 miles on it. The application starts successfully.It works 60% of the time, but sometimes fails to initiate on the first attempt; however, it consistently starts successfully on the second try. Is this the starter or maybe the ignition key? If the starting is the problem, is there a solenoid that might be defective, or is that component integrated into the starter?

Thank you.
 
The audible click is produced by the solenoid. Occasionally, starters exhibit "flat spots," referring to areas in the rotation where there is an inadequate connection via the brushes. What happens if you attempt a jump start? Does it initiate with absolute certainty every time? To ascertain if a power connection or wiring problem exists, immediately provide electricity for testing. Have you examined the wire connecting the battery to the starter? Examine for swelling, melted insulation, and consider cleaning the terminals and spades at both ends to see if it alleviates the issue.
 
I have not yet attempted the leap, but I will make an effort to do so.I shared your perspective on the presence of a "dead" place on the brushes at the beginning. The one consistency is that it begins again with each failure... I should likely refrain from tempting fate, humorously speaking...Thank you for your answer!
 
Throughout my 50-year career in the automotive repair industry, I have seen many low-mileage vehicles exhibiting "dead spots" on the armature, maybe due to corrosion; but, I did not disassemble them to ascertain the cause. However, the issue rectified itself following the consistent use of the starters. I surmise that the brushes have polished the armature.
 
I anticipated that initiating it more often would lead to self-resolution; nevertheless, it constantly fails around 30% of the time, functioning only upon restart. I had electrical corrosion difficulties and had to replace the ECM with a cloned one due to corroded connections. I purchased the vehicle in the Upper Peninsula last spring from an 80-year-old widow who had it transferred between Arizona and South Florida over ten times, with just 32,000 miles on the odometer.
 
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