ACDelco
ACDelco 12680871 | Engine Valve Lifter
Active Fuel Management Valve LifterBRAND: ACDelcoFEATURES:Active Fuel Management Valve LifterBalance Shaft;Camshaft;Camshaft Phaser;Tensioner;Coolant Hose;Coolant...
ACDelco GM Original Equipment Engine Valve Lifters automatically help maintain a 'zero' valve lash condition to help prevent valve train noise and unnecessary valve train component wear, and are GM-recommended replacements for your vehicle's original components. These original equipment valve lifters have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. ?
FAQ - Answer 1 | No. You should get the lifter that is designed for your camshaft. |
FAQ - Answer 2 | Yes. A stuck lifter will prevent the valve from opening or closing, causing internal engine problems. |
FAQ - Question 1 | Can I put any type of lifter in my engine? |
FAQ - Question 2 | Can a stuck lifter cause engine problems? |
Good Maintenance Practices - Section 1 - Bullet 1 | Before purchasing and installing an engine valve lifter, make sure it is the correct size and fit for your vehicle. |
Good Maintenance Practices - Section 1 - Bullet 2 | Keep the coolant level full and do not allow the engine to overheat - excessive heat could cause the lifter to expand and stick. |
Good Maintenance Practices - Section 1 - Bullet 3 | Keep engine oil level full. |
Good Maintenance Practices - Section 1 - Bullet 4 | Be sure that flat non-roller lifters turn in their bores at least 45 degrees in 2 crankshaft revolutions, to help prevent camshaft lobe damage. |
Good Maintenance Practices - Section 1 - Bullet 5 | If a tapping sound occurs in the engine, have it checked - it could be a sign of a faulty lifter and lead to excessive damage to engine components. |
Good Maintenance Practices - Section 1 - Bullet 6 | Have your vehicle inspected as soon as possible if the 'Service Engine Soon' light illuminates. |
Good Maintenance Practices - Section 1 - Bullet 7 | Have your vehicle inspected immediately if the 'Service Engine Soon' light flashes rapidly, as this could indicate an engine misfire condition which may damage your engine and/or engine emission components. |
Good Maintenance Practices - Section 1 - Bullet 8 | Regularly inspect engine valve lifter for signs of damage or wear, and replace them if signs of damage are found. |
Height (in) | 0.9 |
Length (in) | 2.6 |
Lifter Type | Hydraulic Roller |
Material | Alloy Steel |
Programming Required | No |
Roller | Yes |
Signs of Wear & Troubleshooting - Section 1 - Bullet 1 | Tapping noises from the engine |
Signs of Wear & Troubleshooting - Section 1 - Bullet 2 | Loss of power |
Signs of Wear & Troubleshooting - Section 1 - Bullet 3 | Engine misfire |
Signs of Wear & Troubleshooting - Section 1 - Bullet 4 | Poor engine performance |
Signs of Wear & Troubleshooting - Section 1 - Bullet 5 | Excessive noise in the valve train |
Signs of Wear & Troubleshooting - Section 1 - Header | Signs of wear for engine valve lifters include but are not limited to: |
Weight (lb) | 0.25 |
Width (in) | 0.9 |