January 2023

Toyota 1.8L firing order and spark plug gap — 2ZR-FE/FAE/FXE Toyota 1.8 liter firing order and spark plug gap Here is a Toyota 1.8 liter firing order engine layout diagram If you’re doing a tune-up, you’ll need the Toyota 1.8-liter firing order engine layout diagram This 1.8-liter four-cylinder gasoline engine was introduced in 2007 as an alternative for the 1ZZ-FE power unit. Toyota produces different variants of the 2ZR depending on vehicle models. Base 2ZR-FE engine specifications • aluminum cylinder block with spiny-type cast iron liners, steel connecting rods and … Read More
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The Mechanic Doctor – Resources for Amateur and Pro Auto Mechanics
Depreciation is a decrease in the value of an asset that takes place over time due to wear, tear, or
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What is an EFB battery? Enhanced Flooded Batteries (EFB) might seem like a new technology, but they’ve  been used in the European market since 2008. Since the U.S. automotive industry typically follows its European counterparts by approximately ten years, many domestic vehicles with start/stop technology began using EFB batteries around the 2015-18 model years. What makes EFB batteries better than standard batteries? •EFB batteries provide more start cycles — EFB batteries can provide up to 85,000 engine starts compared to only 30,000 starts from a standard flooded batter. That’s an … Read More
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What are bolt grades for U.S. and Metric bolts Understanding bolt “strength” terms You may think steel bolts are solid, stiff, or rigid. They’re not. It has a certain amount of elasticity. In other words, a bolt stretches when torqued. Think of a bolt as if it’s a spring or bungee cord that clamps pieces together. As it’s tightened to the proper torque, it stretches slightly and can handle a certain amount of additional stretch, yet keeps the pieces clamped together. The concept of bolt stretch is important to understand … Read More
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4 ways to remove a stuck license plate screw If it’s a Philips head and it’s stuck but not stripped 1) Start by cleaning out the head and spraying with rust penetrant See all the gunk in the head of this Philips screw head? It’s pretty hard to sink the screwdriver tip all the way in with all that rust. So spray it with rust penetrant like PB Blaster or Liquid Wrench (WD-40) isn’t a rust penetrant. Let it soak and then insert a smaller Philips screwdriver into the head. … Read More
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How to do DIY Hyundai Sonata Hybrid Maintenance 2011-2014 Hyundai Sonata Hybrid DIY Maintenance Service The 2011-2014 Hyundai Sonata Hybrid contains a 12-volt battery is located in the trunk on the passenger side. You must remove a cover to access it. The 12-volt battery provides power to all of the standard electronics. If the 12-volt battery is disconnected or dead, the hybrid portion of the system can’t function. Start by removing the key fob Remove the proximity key from the vehicle when servicing the vehicle. Keep the key a minimum … Read More
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Online Auto tech education sources If you’re an aspiring auto tech or a DIY who’s just interested in learning more about auto repair, there are some great online sources. Here’s a listing of some training sites. Some are free and some have a fee. Garage Gurus Online auto tech training Garage Gurus® is an industry-leading training and support platform created to address the skills gap and technician shortages facing the automotive service industry. Built from a unique combination of technical training, product expertise and onsite, online, and on-demand delivery, Garage … Read More
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What causes wheel bearing failure? According to studies conducted by bearing manufacturer SKF, 90% of all OE bearings outlast the life of the vehicle. However, 0.5% of those OE bearings fail because due to damage or wear caused by outside forces. 0.5% translates into 50,000,000 bearings per year. Wheel bearing failure breakdown • 1/3 fail due to fatigue • 1/3 fail due to lubrication problems (wrong lubricant, wrong quantity, wrong lubrication interval) • 1/6 fail due to contamination due to water ingress caused by failed seals • 1/6 fail for … Read More
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Can you recharge your car battery by idling Your car battery is dead and you’re planning on recharging it by letting your engine idle. How long do you have to idle your engine to recharge the battery? Let’s look into that. You can recharge your car battery by idling, but it takes a LOT longer than you think Some people idle their engines for 20 minutes and think that’s long enough to recharge a battery. Then they wonder why it won’t start the next day. Why? Because it takes almost … Read More
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