Our Nissan Service crew stepped into the spotlight…walk-up song style. Because fixing cars is cool, but doing it with theme music? Even better. 💪🎵
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Inspiring the Next Generation of Automotive Professionals! 🚐🔧
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Ever wondered what Audi pros love most about their cars? 👀 We asked the team at Audi Rochester Hills to spill their favorite features! 🖤 #AudiLife #RochesterHills #CarTok #AudiLove
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The best way to get ready for a career in the automotive world? Get in there and see it for yourself! Students from New Tech Prep got a behind-the-scenes look at Wendle this week, from detail and parts to service and sales, they saw how the whole dealership comes together.
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Check out our new mobile service unit!
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⚡️🚗 Wacky Wednesday with VinFast! 🌴🌊
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It's WACKY WENESDAY!!! 🚗💨 Wacky Wednesday Subaru Fact! 💙🌲
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Call Hoffman Ford Lincoln for your ✨Car-opractor✨needs!
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Senior Master Chris breaking in the new lifts upon delivery! We keep expanding to handle any and everything thrown our way here at Tom Wood Ford!
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When it comes to diagnostics, do you have a game plan to succeed? This capture is from a 2014 Chevrolet Express that sheared the camshaft sprocket locating pin causing a cranking/no start condition. The vehicle had good spark, injector pulse, fuel pressure, fuel quality, compression and the timing marks for the camshaft sprocket and the crankshaft sprocket lined up as they should. The broken locating pin caused the compression stroke to get out of time with the ignition event which causes the combustion event not to take place. Without a logical testing process, vehicles like this can be nearly impossible to diagnose. So what can we do to tackle these vehicles? Write down your testing process ahead of time, make sure each test is eliminating a possibility and do the tests in a logical order that makes sense to you.
Technician
I'm curious how it had good compression when valves are opening when they shouldn't? Perhaps only 10-15 degrees out of time? Considering that the camshaft position sensor reads off the gear and the gear is in time, how would the Pico Scope tell you the camshaft itself was out of time? Short of removing the camshaft gear for inspection, how would a tech know that is the problem?
Industry Partner/Vendor
With the scope we are able to look at the ignition event in relation to tdc of the compression stroke and determine if spark is occurring at the correct time. Using a scope to check cam/crank correlation in this particular scenario won’t help you because of the cam gears/chain still being in time. There’s a tab for this concern but it’s supposed to happen at a low mileage, this one had just over 200k miles on it. The tsb does not give any way to verify the concern without tear down. Looking at compression/ignition event just tells us if that’s why it isn’t starting. As far as why it has good compression, that’s a great question! Unfortunately I don’t have a 100% answer for you because I didn’t get to be there when they pulled the cam gear off. I was sent the pics afterwards of the broken lock pin. (edited)
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Russell Wickham
Russell Wickham
Technician
I hope WrenchWay picks this as one of their posts of the month. It has my vote.