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How to fix a $4,000 hybrid battery problem with vinegar and baking soda

This is one of those 'Don't try this at home if you don't know what you're doing' DIY tales. Two weeks after imgur user "scoodidabop" bought a used Toyota Camry Hybrid with no warranty, he got the Christmas Tree dash display with warnings like "Check VSC System," "Check Hybrid System," and the Check Engine light. After some Internet sleuthing he figured it could be a faulty brake actuator, assuming the hybrid system warning was a false alarm. But it wasn't the actuator, it was the battery, a Toyota dealer telling him that his battery had "gone bad," and he'd need $4,457 to replace it. Then he had a brainstorm: it could be one of the cells that's gone bad, not the whole battery. Scoodidabop has some experience as an electrician, so he figured he could test it and replace any bad cells for about $45 apiece. He removed the battery unit from the trunk and over the course of two hours tested all 68 cells four times. He found nothing wrong. So he devised another type of test and checked every cell again. He couldn't find a problem with any of them. Turns out the problem wasn't in the cells, but with the dirty and corroded copper connectors at the ends of the high-voltage cables. He pulled the 34 connectors and their steel nuts, soaked them in vinegar, gave them a light steel wool scrub, soaked them in baking soda and water to counteract the vinegar, applied an anticorrosive and reinstalled them. That took an hour. When he replaced the battery, the warning lights had all gone out and the battery worked perfectly. Skill level: experience. Cost: less than $10. Perhaps it's time for hybrids to be able to test their own cells individually. Dealers, too.

Tier 1 suppliers call GM the worst OEM to work with

Among automakers with a big US presence, General Motors is the worst to work for, according to a new survey from Tier 1 automotive suppliers, conducted by Planning Perspectives, Inc.
The Detroit-based manufacturer, which has been under fire following the ignition switch recall and its accompanying scandal, finished behind six other automakers with big US manufacturing operations. Suppliers had issues with trust and communications, as well as intellectual property protection. GM was also the least likely to allow suppliers to raise their prices in the face of unexpected increases in material cost, all of which contributed to 55 percent of suppliers saying their relationship with GM was "poor to very poor."
GM's cross-town competitors didn't fare much better. Chrysler finished in fifth place, ahead of GM and behind Dearborn-based Ford, which was passed for third place this year by Nissan. Toyota took the top marks, while Honda captured second place.

Retro review of the twin-turbo Toyota Supra you missed in the '90s

The twin-turbo fourth-generation Toyota Supra has slowly built up a reputation as one of the premiere sports coupes of the 1990s. The image was partially helped by its inclusion in the original The Fast and the Furious in 2001, but even before that it was part of the quartet of Japanese performance machines along with the Acura NSX, Mazda RX-7 and Nissan 300ZX Twin-Turbo that defined speed for a generation of enthusiasts. Thanks to Motorweek's Retro Review series, now we get a chance to hear opinions on the Toyota from its original release. Two things strike the viewer in the review. First, it shows what a performance standout the Supra TT is. A run to 60 miles per hour in 5.1 seconds and 14 seconds in the quarter mile is strong against its contemporaries and makes it hardly a slouch today. The second surprising thing is just how flabbergasted the reviewers seem at the coupe. The price is up about $8,000 from the previous year, and MotorWeek isn't entirely impressed with the Toyota's weight saving measures that make the fourth-generation Supra a bit more raw than the last model. The great thing about these retro takes is that there's no nostalgia in the way to cloud the reviewers' judgment. Check out the video to find out how the twin-turbo Supra was received before it became part of the performance pantheon.