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We're often reminded through the questions we receive via our contact form that certain topics, though covered years ago, remain new to some individuals. Below, we address one such inquiry and provide additional resources such as articles and videos to assist newcomers navigating similar issues.Question:  I have a 2007 Kia Sedona 3.8 liter engine. I'm putting in a salvage engine and the upper idler pulley has stripped threads. It uses an M10X1.5 bolt. Question is should I use a Heli Coil or …

We have a short article called "Harley Davidson Spark Plug Threads - How to Fix" on spark plug thread repair kits used for first time repairs on Harley Davidson and other makes of motorcycles that has received a lot of attention lately. We've also been getting emails and phone calls on how to make a repair after a parts store insert has failed making the hole bigger. For second time repairs on M14x1.25 there's a Big Sert kit available. Big Sert is Time Sert's name for an oversize thread repair k …

All thread lockers are not created equal. Most of us know that blue thread lockers are a temporary type that are made to hold things that you want to remove later without applying heat. And that red is a permanent type that is used on things that we probably would never want to take apart again. We recently had a customer that said his mechanic was using green because it's stronger than red. But what type of thread locker is really best for a spark plug thread repair insert? How much do you appl …

Wise Auto Tools - I wrote about a customer several years ago who wanted just the tap out of a 2200 kit. I had another one that asked "Can I buy just the thread tap out of the Time Sert 3700 kit?". We receive these types of calls frequently. The TIME-SERT 3700 kit, is the M11x2.0 Universal Head Bolt Thread Kit that we typically sell for many LS engines. I asked if he had the kit, and he replied, "Sure, I do." I said, "Well, okay, what's the number off of the tap?" However, I s …

Wise Auto Tools: Detailed instructions for preparing to use any of the TIME-SERT Universal head bolt thread repair kits, including 11125, 2200, 3700, 4800, 4900, 6250, 7577, 7580, 14300, 15100. Note the Universal kits that in in BS are the Big Sert kits used for second time repairs when the hole has previously been repaired with a Helicoil making the hole larger than normal.These are directions for preparing to use any of the TIME-SERT Universal head bolt thread repair kits.Before we start, a go …