What happens if you use old head bolts?
An old head bolt that doesn’t allow for proper clamping can lead to leaks in your engine. Coolant will be able to leak through the bolt hole and cause more issues for your engine. One of the largest issues with reusing old head bolts that are past their prime is the risk it creates for your gasket.
Can you reuse TTY head bolts?
Torque-to-yield (TTY) head bolts are designed to stretch when used. Once stretched, they are not as strong as before. Consequently, they cannot provide the same amount of clamping force and may break or shear off if reused. The TTY bolt-tightening procedure is designed to provide a better, more uniform seal.
Can I use Grade 8 bolts for head bolts?
One more comment in answer to the original question: do NOT just go down to the hardware store and pick up some grade 8 bolts thinking they will work for head bolts. Head bolts are machined with a shoulder on the shank to fit tightly with the bolt hole, whereas hardware store bolts don’t have this as a rule.
When is it safe to reuse head bolts?
When Head Bolts Can Be Reused: First and foremost, if the quality and condition of your current head bolts are relatively quality and somewhat new, it will be safe to use them again. In other words, if your head bolts look and feel good, you should have no problem re-installing the same ones.
Can you use head bolts the same way?
If the bolts are visibly damaged in any way, you will not be able to use the same ones again. A good way to test the quality of your head bolts before using them again is to put some motor oil on the outside and try to screw them in using just your hand.
What kind of bolts are used for cylinder heads?
OEM style cylinder head bolts and performance type ARP brand bolts / studs and fasteners We also have engine hardware including a wide range of items including camshaft thrust plates, dowel pins ,freeze /core plugs, main bolts and stainless steel kits
How often should you replace head bolts in a car?
While there is no specific time frame in which you should check and replace head bolts in your automobile engine, you can follow the guidelines of the head gasket of the car. Generally, you will want to check this every 200,000 miles that you have driven your car.