Blog

We recently received a great question from Michael, a DIYer facing a common problem of stripped threads for head bolts: repairing He's got two stripped holes for cylinder head bolts on a Pentastar 3.6L engine. His ask? “Would I be able to rent a Time-Sert 8313 repair kit or pay a usage fee? It’s a lot for me to afford for a one-time use (at least I pray I never have to do it again). Any help would be so greatly appreciated, thank you.” Michael’s situation is one many gear …

Few things can be as frustrating as a failed thread repair. Whether it's a spark plug hole or head bolt threads in a cylinder head, a botched fix can lead to larger issues immediately or down the road. At WiseAutoTools.com, we've noticed a concerning trend in recently: an increase in failed repairs due to China knock-off or copycat thread repair kits flooding the market.As a trusted provider of automotive tools and solutions since 2005, we've seen firsthand the consequences of using subpar threa …

WiseAutoTools.com © Summary: DenLors Tools and Wise Auto Tools specializes in automotive tool sales. However, sometimes we get questions on auto/truck repair unrelated to any specific tools. One of the most common problems with Ford F150’s is blown spark plugs. The aluminum threads fail, ejecting the spark plug breaking the coil on the way out. We sell thread repair kits that work right over the fender. In fact our thread repair kits fix holes after “parts store kits” fail to make a lasting repa …

DennisB WiseAutoTools.com © Summary: Frequently, we have customers that are trying to save money by not purchasing a complete Time-Sert thread repair kit. We understand. Who doesn’t like saving money? However, if someone purchases only part of the specialty tools for a repair and do it incorrectly, they’re really not saving any money. In fact it will now cost more time and money to fix the “come-back”. In the case of a headbolt thread repair, the gaskets will be ruined and the cylinder head …

DennisB WiseAutoTools.com © Summary: Brief description of two common Time Sert kits and when they should and when they should not be used. Time Sert 4412 and 4412E are both M14x1.25 spark plug thread repair kits that can do repairs for taper seat and washer type, spark plugs. The inserts are sold separately. Most shops will buy inserts for both that are 3/4 reach which is the most common length so there are prepared for just about any application they encounter. The 4412E (E stands …