2004 Chevrolet Blazer
Key Replacement - Save vs Dealer in San Diego

2004 Chevrolet Blazer Remote Replacement - Fast, Affordable & Professional

A guy in Bressi Ranch had been babying his 2004 Blazer ignition for about six weeks before he called me. He described it as having to find "the sweet spot" to get the key to turn. Some mornings it caught right away. Other mornings he was sitting in his driveway for five minutes wiggling it. He was already mentally prepared to buy a new ignition.

The dealer had quoted him a new cylinder, new keys, and programming. He told me the number and I told him to hold off until I looked at it.

I got there and decoded the lock first. What I found were worn wafers inside the cylinder, not a failed cylinder. The key was doing the job of compensating for the slop every time he turned it, which is why some mornings it worked and some mornings it didn't. Temperature, humidity, how the key sat in his pocket, all of it was interacting with worn metal.

I replaced the worn wafers, cut a fresh key matched to the repaired cylinder, and verified the transponder was reading correctly at startup. His existing remote paired right back up without any issue.

I showed him the old wafers before I left. He looked at them, looked at the dealer quote, and said something I've heard before in different words: the dealer never even looked at the lock.

He saved a good chunk that day. The ignition turns clean now.

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