Is it okay to reuse head bolts?
Can I reuse head bolts? A head bolt should not be reused if the threads are galled or badly damaged. Chasing damaged head bolt threads with a die will clean up the threads but also remove material (metal) and undermine the head bolt’s ability to torque down and hold to specs.
How do you reuse a TTY bolt?
- Use a slide caliper to measure the length of a new TTY bolt. Keep this.
- Screw on a nut to the used TTY bolt.
- Grind the excess length off the thread end of the TTY bolt to the.
- Unscrew the nut to chase the threads of the now shortened TTY bolt.
- Important!
- Above procedure can be done in batches to speed up the process.
Can You reuse head bolts on an engine?
Tips for Reusing Head Bolts. Reusing head bolts on your engine is not usually recommended by dealerships and car manufacturers. However, when you change your head gasket, or do other mechanical work to the head assembly, you can reuse your head bolts if they are in good condition and you follow a few tips.
Why are head bolts never reuse torque to Yield ( TTY )?
Never reuse torque to yield (TTY) head bolts because, if you do it’s not unusual for them to break. If that happens you need to drill out what’s left of the bolt. Even worse you may have to repair the threads in the hole. Consequently, Head Bolts can break for no apparent reason leaving you with a leaking or blown head gasket.
What kind of wrench do you use to reassemble head bolts?
Use Torque Wrench When reassembling the head of your engine, set the head bolts in place and tighten with a socket wrench. Once the bolt starts to get a little snug you should then use a torque wrench set to the manufacturers specifications. Do not use any type of Loc Tite or other bolt adhesive.
When to inspect and never reuse head bolts?
Always Inspect all head bolts to make sure they are in perfect condition. Dirty or damaged threads can give false torque readings; as well as decrease a bolt clamping force by as much as 50%!
Tips for Reusing Head Bolts. Reusing head bolts on your engine is not usually recommended by dealerships and car manufacturers. However, when you change your head gasket, or do other mechanical work to the head assembly, you can reuse your head bolts if they are in good condition and you follow a few tips.
How to reuse a WG wrench for head bolts?
1 Clean the bolts 2 Inspect them for damages 3 Soak in oil 4 Clean the thread holes 5 Use a torque wrench 6 Stay away from bolt adhesives
Do you have to clean head bolts before reinstallation?
The bolts and bolt holes need to be completely cleaned before reinstallation to ensure proper clamp and torque measurements. Lubricate the bolts in engine oil as part of the cleaning process. Bolts with any signs of damage, no matter how slight, should never be reused.
Can a torque wrench be used to re-install head bolts?
Finally, you will want to use a torque wrench to re-install the head bolts to get the quickest, easiest, and smoothest results when you have finished. The process of tightening these bolts back into the engine will require setting them with a regular socket wrench, and then finishing off the process with a stronger torque wrench.