How to remove and reinstall Pushrod and Rocker Arm in V8 engine on GMC Canyon?

To remove the valve covers from the cylinder heads, first loosen the rocker arm pivot bolts one at a time and take out the rocker arms and bolts, followed by the pivot support pedestal, ensuring to keep track of the component positions for reinstallation. Store each set of components separately in marked containers to maintain their original locations, including the rocker arms and pivot support. Next, remove the pushrods and store them in order to avoid mixing them up during installation. Inspect each rocker arm for wear, cracks, and damage, particularly at the contact points with the pushrods and valve stems, and check the pivot bearings for binding and roughness; if worn or damaged, the entire rocker arm will need replacement. Ensure the hole at the pushrod end of each rocker arm is clear, and inspect the pushrods for cracks and excessive wear, checking that the oil hole is not clogged and rolling each pushrod across a piece of plate glass to detect any bends. For installation, lubricate the lower end of each pushrod with clean engine oil or assembly lube and install them in their original locations, ensuring each pushrod seats completely in the lifter socket. Apply engine assembly lube to the ends of the valve stems and upper ends of the pushrods to prevent damage during initial start-up, and also apply clean engine oil to the pivot shaft and bearing of each rocker arm before loosely installing the rocker arms in their original locations without tightening the bolts. Rotate the crankshaft until the number one piston is at TDC on the compression stroke, ensuring both pushrods for the number one cylinder are in the lowered position, then tighten the intake valve rocker arms for cylinders 1, 3, 4, and 5, and the exhaust rocker arms for cylinders 1, 2, 7, and 8, to the specified torque. Rotate the crankshaft 360 degrees and tighten the intake valve rocker arms for cylinders 2, 6, 7, and 8, and the exhaust rocker arms for cylinders 3, 4, 5, and 6, to the specified torque. Finally, install the valve covers, start the engine, and listen for unusual valve train noises while checking for oil leaks at the valve cover gaskets.

Genuine GMC Canyon Rocker Arm

Engine Rocker Arm

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GMC Canyon Arm Assembly, Exhaust Valve Rocker
Part Number: 12681275
$14.09 MSRP: $23.32
You Save: $9.23 (40%)
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Product Specifications
- Other Name: Arm Assembly, Exh Vlv Rkr; Rocker Arm
- Replaces: 10214664, 12669993
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2012 GMC Canyon | PICKUP, PICKUP CREW CAB, PICKUP EXTENDED CAB, PICKUP EXTENDED LENGTH | 8 Cyl 5.3L
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GMC Canyon Arm,Valve Rocker
Part Number: 24100294
$4.97 MSRP: $8.23
You Save: $3.26 (40%)
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Product Specifications
- Other Name: ARM, Engine Valve Rocker; Rocker Arm
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2016 GMC Canyon | CREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB SLE - 6'2" BOX, CREW CAB SLT - 6'2" BOX, EXTENDED CAB - 6'2" BOX, SLE CREW CAB - 5'2" BOX, SLE EXTENDED CAB - 6'2" BOX, SLT CREW CAB - 5'2" BOX, SLT EXTENDED CAB - 6'2" BOX | 6 Cyl 3.6L
- 2004-2012 GMC Canyon | PICKUP, PICKUP CREW CAB, PICKUP EXTENDED CAB, PICKUP EXTENDED LENGTH | 4 Cyl 2.8L, 4 Cyl 2.9L, 5 Cyl 3.5L, 5 Cyl 3.7L
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GMC Canyon Arm Assembly, Valve Rocker Switching
Part Number: 12666601
$34.01 MSRP: $58.67
You Save: $24.66 (43%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: ARM, Engine Valve Rocker; Rocker Arm
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 GMC Canyon | CREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB SLE - 6'2" BOX, CREW CAB SLT - 6'2" BOX, EXT CAB - 6'2" BOX, EXTENDED CAB - 6'2" BOX, SLE CREW CAB - 5'2" BOX, SLE EXTENDED CAB - 6'2" BOX, SLT CREW CAB - 5'2" BOX, SLT EXTENDED CAB - 6'2" BOX | 6 Cyl 3.6L
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GMC Canyon ARM ASM-VLV RKR
Part Number: 12693909
$14.92 MSRP: $36.02
You Save: $21.10 (59%)
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Product Specifications
- Other Name: Rocker Arm
- Replaces: 12565203, 24100004, 12656486
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2022 GMC Canyon | CREW CAB - 5'2" BOX, EXT CAB - 6'2" BOX, EXTENDED CAB - 6'2" BOX, SLE CREW CAB - 5'2" BOX, SLE EXTENDED CAB - 6'2" BOX, SLT CREW CAB - 5'2" BOX, SLT EXTENDED CAB - 6'2" BOX | 4 Cyl 2.5L
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GMC Canyon Arm Assembly, Vlv Rkr
Part Number: 12701225
$2.86 MSRP: $4.34
You Save: $1.48 (35%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Rocker Arm
- Replaces: 12663276
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2024 GMC Canyon | CREW CAB - 5'2" BOX, CREW CAB SLE -5'2" BOX, CRW CAB SPORT-5'2" BOX(I), SLT CREW CAB - 5'2" BOX, SPORT CREW-5'2" BOX | 4 Cyl 2.7L
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Part Number: 12654646
$4.82 MSRP: $7.58
You Save: $2.76 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: ARM, Engine Valve Rocker; Rocker Arm
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 GMC Canyon | CREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB SLE - 6'2" BOX, CREW CAB SLT - 6'2" BOX, EXT CAB - 6'2" BOX, EXTENDED CAB - 6'2" BOX, SLE CREW CAB - 5'2" BOX, SLE EXTENDED CAB - 6'2" BOX, SLT CREW CAB - 5'2" BOX, SLT EXTENDED CAB - 6'2" BOX | 6 Cyl 3.6L
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GMC Canyon Arm Assembly, Valve Rocker
Part Number: 12625214
$36.46 MSRP: $57.37
You Save: $20.91 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: ARM, Engine Valve Rocker; Rocker Arm
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2022 GMC Canyon | CREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB SLE - 6'2" BOX, CREW CAB SLT - 6'2" BOX, EXT CAB - 6'2" BOX, EXTENDED CAB - 6'2" BOX, SLE CREW CAB - 5'2" BOX, SLE EXTENDED CAB - 6'2" BOX, SLT CREW CAB - 5'2" BOX, SLT EXTENDED CAB - 6'2" BOX | 4 Cyl 2.8L Diesel

GMC Canyon Rocker Arm

It is vital component of the valvetrain in internal combustion engine in GMC Canyon Vehicles whereby it allows the coordination of the motion from the pushrod to the intake and exhaust valves. Usually made out of stamped steel or aluminum, the Rocker Arm rotates in a reciprocating motion and translates this up and down movement into the pushing force which will be needed to open the valves. In high specific rpm, aluminium is used for its low density and strength whereas cast iron or forged carbon steel is used in diesel engines. GMC Canyon has been using different types of Rocker Arms, many of them are conventional, while some others come with roller systems. Camshafts provide roller rockers that can lessen friction through needle bearings, are valuable for both overhead valve as well as the overhead camshaft engines. New GMC Canyon engines rocker ration varies from 1.5:1 to 1.8:1 this increases the camshaft lift for better performance. There are also improved fulcrum bearings that are applied in high RPM engines to ensure control of stresses and improvement of the lifetime effectiveness of the Rocker Arm system.

Each OEM GMC Canyon Rocker Arm we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

GMC Canyon Rocker Arm Parts Questions & Experts Answers

Arm,Valve Rocker
24100294
Q: How to remove and reinstall Pushrod and Rocker Arm in V8 engine on GMC Canyon?
A: To remove the valve covers from the cylinder heads, first loosen the rocker arm pivot bolts one at a time and take out the rocker arms and bolts, followed by the pivot support pedestal, ensuring to keep track of the component positions for reinstallation. Store each set of components separately in marked containers to maintain their original locations, including the rocker arms and pivot support. Next, remove the pushrods and store them in order to avoid mixing them up during installation. Inspect each rocker arm for wear, cracks, and damage, particularly at the contact points with the pushrods and valve stems, and check the pivot bearings for binding and roughness; if worn or damaged, the entire rocker arm will need replacement. Ensure the hole at the pushrod end of each rocker arm is clear, and inspect the pushrods for cracks and excessive wear, checking that the oil hole is not clogged and rolling each pushrod across a piece of plate glass to detect any bends. For installation, lubricate the lower end of each pushrod with clean engine oil or assembly lube and install them in their original locations, ensuring each pushrod seats completely in the lifter socket. Apply engine assembly lube to the ends of the valve stems and upper ends of the pushrods to prevent damage during initial start-up, and also apply clean engine oil to the pivot shaft and bearing of each rocker arm before loosely installing the rocker arms in their original locations without tightening the bolts. Rotate the crankshaft until the number one piston is at TDC on the compression stroke, ensuring both pushrods for the number one cylinder are in the lowered position, then tighten the intake valve rocker arms for cylinders 1, 3, 4, and 5, and the exhaust rocker arms for cylinders 1, 2, 7, and 8, to the specified torque. Rotate the crankshaft 360 degrees and tighten the intake valve rocker arms for cylinders 2, 6, 7, and 8, and the exhaust rocker arms for cylinders 3, 4, 5, and 6, to the specified torque. Finally, install the valve covers, start the engine, and listen for unusual valve train noises while checking for oil leaks at the valve cover gaskets.