What to do with a broken exhaust manifold bolt?

Exhaust manifold bolts are famous for this. You may also get lucky and have enough room to weld a bolt or nut to the end of the broken bolt or stud. If you can’t get pliers, extractors, drills, or hammers into where the stud or bolt is broken, another option is to grind two opposing sides flat so they can be grabbed with a wrench.

Why are exhaust manifold bolts and studs brittle?

Exhaust manifold bolts and studs both suffer the same fate; of getting brittle from too many heating and cooling cycles. Along with expansion and contraction of the whole system, something has to give. As a result, making broken bolts or studs a fairly common problem.

What causes an exhaust manifold to start leaking?

Loose Or Broken Bolts Or Studs Sometimes an exhaust manifold starts to leak, because a mounting bolt or stud has broken. Exhaust manifold bolts and studs both suffer the same fate; of getting brittle from too many heating and cooling cycles. Along with expansion and contraction of the whole system, something has to give.

Do you need to use anti seize on exhaust manifold bolts?

Although there’s no real need for applying anti-seize, it can rarely hurt as these types of repairs are often done several times throughout the life of the vehicle and with a lucky draw of the card, you might just be the one to do it again. Why did your bolt extractor break?

What kind of grease to use on exhaust manifold bolts?

For example, automotive formulas may contain aluminum, copper and graphite which are combined with grease. These formulas work great in high temperatures with copper and graphite combined with a high-quality grease, for example, on hot engine fasteners and bolts.

What should the temperature of the exhaust manifold be?

The exhaust can reach 1,000 – 1,200 degrees under a heavy load and even higher on integrated turbochargers and at high throttle. Different formulas are engineered to withstand different temperature levels.

Why are my studs and bolts breaking on my car?

Many an old-time mechanic has painful memories of rusted bolts and studs that break when being removed. The worst of these were the exhaust manifold and header studs that were brittle from too many heating and cooling cycles. They broke far too often and easily, and usually required the removal of the head to get it out.

Where is the exhaust manifold located on a car?

On some vehicles, the exhaust manifold is hidden from sight by a large, contoured piece of metal known as a heat shield. Getting this part out of the way is a cinch. Just undo the bolts on the top panel by turning them counterclockwise (left) with a ratchet and appropriately-sized socket, then pull up on the shield to lift it away from its seat.

Why do I have a crack in my exhaust manifold?

You’re cruising along when all of a sudden you notice your engine making a terrible racket, accompanied by the distinctive odor of exhaust. When you get home, you pop the hood and, after doing a little digging, discover the source of the problem—there’s a crack in your exhaust manifold.

What can you do with a broken bolt extractor?

Uses of the Broken Bolt Extractor Include: 1 Broken Bolt Extraction 2 Exhaust Manifold Bolts 3 Engine Block Broken Bolts 4 Cylinder Head Repair 5 Broken Bolts above, below and level with the surface 6 Lift Trucks More

What do you do when studs and bolts break?

There are times when studs and bolts break in locations where you can’t get a hammer or drill. In these instances, you’re either going to have to hope that the extractor or a pair of locking pliers will work, but you’re most likely going to need to remove the part from the vehicle.

Can you take a broken bolt to the machine shop?

“With this broken bolt extractor kit and your cordless drill, you can take the machine shop to the problem. Not drag the problem to the machine shop.” Every mechanic knows the horrible feeling after they have turned a bolt too much and it snaps.