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The Function of a Rocker Arm
The rocker arm is a critical and central part of your engine. The rocker arms lift your exhaust and intake valves to allow air to enter and exit the combustion chamber at the appropriate time. In purely mechanical turns, the rocker arms transfer the vertical reciprocal motion from the pushrods to the exhaust/intake valves.
A rocker arm is a valvetrain component in internal combustion engines. As the arm is acted on by a camshaft lobe, it pushes open either an intake or ex-haust valve. This allows fuel and air to be drawn into the combustion chamber during the intake stroke or ex-haust gases to be expelled during the ex-haust stroke.
Lamerto Set of 8 Engine Rocker Arm Carrier
Fit for the Following Models
- Replacement for Ford F250 Super Duty 2008-2010 w/ 6.4L Diesel Powerstroke Engines
- Replacement for F350 Super Duty 2008-2010 w/ 6.4L Diesel Powerstroke Engines
- Replacement for F450 Super Duty 2008-2010 w/ 6.4L Diesel Powerstroke Engines
- Replacement for F550 Super Duty 2008-2010 w/ 6.4L Diesel Powerstroke Engines
[Professional installation is recommended.]
OEM Part Number:
- 8C3Z6A588A
- 8C3Z6A588B
- 8C3Z6564C
- 8C3Z6564D
Symptoms Of A Bad Rocker Arm
Clicking or Ticking Noises
If you hear a clicking or ticking noise when you start your engine, a worn rocker arm might be the problem. There are also various other reasons that a clicking or ticking noise might be occurring. Once you’ve ruled out any external causes, you can start worrying about internal issues like a broken rocker arm.
Misfires or Stalling
The rocker arm controls the amount of time each intake and exhaust valve is open, so it makes sense that if one of them isn’t functioning correctly, you’ll notice some performance issues. While weaker than normal engine performance is typical, a stalling engine is not.
Check Engine Light
There are tons of sensors monitoring your engine’s performance. Everything gets checked and verified for proper function. So, while there’s no sensor for each rocker arm, the decreased engine performance can easily lead to a check engine light.
Physical Deterioration
Once you suspect a broken or worn rocker arm, the only way to 100 percent verify that the rocker arm is the issue is to remove the valve covers and see what’s going on underneath. If your vehicle has worn rocker arms, you’ll notice excessive play or metal underneath the rocker arm. If the rocker arm is extremely damaged, you might even find a cracked rocker arm.
Product Details
Product is not good
Reviewed in the United States on June 14, 2024
This product does not work, it comes with loose and defective parts.
reinaldo martinez
Reviewed in the United States on December 23, 2024
Open box , missing part, need put together not recommended,I returned and still waiting for my money terrible experience don’t buy it
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