How to remove and inspect the camshaft in 3.4L engine on GMC Terrain?

To remove the engine, first to undo the bolt and clamp that is situated at the oil pump drive, then the oil pump drive should be pulled upwards and out of the block. Fourth, the timing chain, sprockets, as well as the valve lifters should be pulled out. Then remove the bolts with holding the camshaft thrust plate to the block surface and remove the thrust plate. Remove the camshaft by pushing it directly out of the engine using one long bolt as a lever and maintaining the support of the shaft at the block end with your hand; in this process try not to harm the bearings. If the camshaft has to come out, it is advisable to remove the bearings also, clean the camshaft with solvent, dry and inspect the bearing journals for signs of wear such as pitting or seizure etc, if they are damaged both the shaft and bearings will have to be replaced. This should be done using a micrometer on the bearing journals and on the camshaft lobes in order to check for conditions such as excessive wear or out of round and to measure the lobe lift by measuring at the largest and smallest points of the lobe. Check the camshaft lobes for any sign of dullness, scratching or wear, if the camshaft lobes are in good health and within legal size the camshaft can be regenerated. Gently rock the cam shaft to check the bearings in the block for deformation, galling or pits and the housing journals for any replacement. Measure the inside diameter of each bearing using an inside micrometers or a bore gauge; in calculating the bearing oil clearance subtract the camshaft bearing journal diameter from the inside diameter of each bearing; if clearance is in excess then new bearings will be required. Because camshaft bearing replacement undoubtedly means taking the block to an automotive machine shop, it would be better to do so. To install it, the camshaft bearing journals and the lobes must be lubricated with a special grease after which it should be slid into the engine using a bar and a long bolt, by holding it as close to the block as possible and also avoiding the bearing area. Lastly screw on the camshaft retainer plate and make sure that the camshaft sprocket bolts have been tightened to the recommended torque. For the oil pump drive, dip only the gear portion on fresh engine oil and screw it into the block so that it fits squarely against the mounting boss and then tightened by its retaining bolt. Also it is advisable to fit a new O-ring on the oil pump driveshaft before screwing onto the drive.

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25 Camshafts found

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GMC Terrain Camshaft Assembly, Exhaust
Part Number: 12675774
$87.48 MSRP: $150.93
You Save: $63.45 (43%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Camshaft Assembly, Exh; Camshaft
- Replaces: 12677324, 12665273, 12672941
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 GMC Terrain | 4 DOOR SLE2, 4 DOOR SLE2 , 4 DOOR SLT1, 4 DOOR SLT1 , 4 DOOR SLT2 | 4 Cyl 1.5L
View related parts
GMC Terrain Camshaft Assembly, Exhaust
Part Number: 12604896
$97.65 MSRP: $168.48
You Save: $70.83 (43%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft, Valve Cover
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 GMC Terrain | SLE1 SUV, SLE2 SUV, SLT SUV | 4 Cyl 2.4L
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GMC Terrain Camshaft,Intake
Part Number: 12638172
$77.81 MSRP: $124.09
You Save: $46.28 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2012 GMC Terrain | SLE2 SUV, SLT SUV | 6 Cyl 3.0L
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GMC Terrain CAMSHAFT ASM,INT
Part Number: 19431713
$264.75 MSRP: $422.26
You Save: $157.51 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Camshaft
- Replaces: 12603535, 12609252, 12625989, 19420582, 12603545, 12604374, 12632195, 19420031
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 GMC Terrain | SLE2 SUV, SLT SUV | 6 Cyl 3.0L
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GMC Terrain Camshaft, Exhaust
Part Number: 12632270
$49.62 MSRP: $120.12
You Save: $70.50 (59%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2017 GMC Terrain | SLE2 SUV, SLT SUV | 6 Cyl 3.0L, 6 Cyl 3.6L
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GMC Terrain CAMSHAFT ASM,INT
Part Number: 19420032
$255.19 MSRP: $406.90
You Save: $151.71 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Replaced by: 19431714
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 GMC Terrain | SLE2 SUV, SLT SUV | 6 Cyl 3.0L
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GMC Terrain Camshaft Assembly, Exh (Lh)
Part Number: 12638399
$92.75 MSRP: $147.98
You Save: $55.23 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Camshaft
- Replaces: 12638171
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011 GMC Terrain | SLE2 SUV, SLT SUV | 6 Cyl 3.0L
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GMC Terrain Camshaft Assembly, Intake
Part Number: 12626896
$190.01 MSRP: $303.05
You Save: $113.04 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft, Intake Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 GMC Terrain | 4 DOOR SLE2, 4 DOOR SLT1, 4 DOOR SLT2 | 4 Cyl 2.0L
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GMC Terrain Camshaft Assembly, Exh
Part Number: 12703359
$397.02 MSRP: $633.21
You Save: $236.19 (38%)
ADD TO CART
Product Specifications
- Other Name: Camshaft
- Replaces: 55511462
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022 GMC Terrain | 4 DOOR SLE2 , 4 DOOR SLT1 , 4 DOOR SLT2 | 4 Cyl 2.0L
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GMC Terrain Camshaft Assembly, Intake
Part Number: 12675781
$76.14 MSRP: $121.42
You Save: $45.28 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Camshaft Assembly, Int; Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2022 GMC Terrain | 4 DOOR SLE2, 4 DOOR SLE2 , 4 DOOR SLT1, 4 DOOR SLT1 , 4 DOOR SLT2 | 4 Cyl 1.5L
View related parts
GMC Terrain Camshaft, Intake (Machining)
Part Number: 55501297
$89.39 MSRP: $142.53
You Save: $53.14 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Camshaft, Int (Mchg); Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2019 GMC Terrain | 4 DOOR SLE2, 4 DOOR SLT1 | 4 Cyl 1.6L Diesel
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GMC Terrain Camshaft,Intake
Part Number: 12632272
$78.94 MSRP: $125.85
You Save: $46.91 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2017 GMC Terrain | SLE2 SUV, SLT SUV | 6 Cyl 3.0L, 6 Cyl 3.6L
View related parts
GMC Terrain Camshaft Assembly, Int
Part Number: 55511463
$492.28 MSRP: $784.82
You Save: $292.54 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Camshaft
- Replaces: 55504558
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022 GMC Terrain | 4 DOOR SLE2 , 4 DOOR SLT1 , 4 DOOR SLT2 | 4 Cyl 2.0L
View related parts
GMC Terrain Camshaft, Exhaust (Machining)
Part Number: 55501298
$99.67 MSRP: $158.92
You Save: $59.25 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Camshaft, Exh (Mchg); Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2019 GMC Terrain | 4 DOOR SLE2, 4 DOOR SLT1 | 4 Cyl 1.6L Diesel
View related parts
GMC Terrain CAMSHAFT ASM,EXH
Part Number: 19433783
$201.95 MSRP: $309.00
You Save: $107.05 (35%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaces: 12632198, 12625984, 12604376
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 GMC Terrain | SLE2 SUV, SLT SUV | 6 Cyl 3.0L
View related parts
GMC Terrain CAMSHAFT ASM-INT
Part Number: 12709697
$65.85 MSRP: $104.99
You Save: $39.14 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2024 GMC Terrain | 4 DOOR SLE2 , 4 DOOR SLT1 , 4 DOOR SLT2 | 4 Cyl 1.5L
View related parts
GMC Terrain Camshaft Assembly, Exh
Part Number: 55513165
$370.94 MSRP: $591.49
You Save: $220.55 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022 GMC Terrain | 4 DOOR SLE2 , 4 DOOR SLT1 , 4 DOOR SLT2 | 4 Cyl 1.5L, 4 Cyl 2.0L
View related parts
GMC Terrain Camshaft,Intake
Part Number: 12638173
$108.16 MSRP: $148.73
You Save: $40.57 (28%)
ADD TO CART
Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Replaced by: 12638406
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2012 GMC Terrain | SLE2 SUV, SLT SUV | 6 Cyl 3.0L
View related parts
GMC Terrain Camshaft Assembly, Exhaust
Part Number: 12626901
$205.17 MSRP: $350.83
You Save: $145.66 (42%)
ADD TO CART
Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft, Exhaust Camshaft
- Replaced by: 28290130
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 GMC Terrain | 4 DOOR SLE2, 4 DOOR SLT1, 4 DOOR SLT2 | 4 Cyl 2.0L
View related parts
GMC Terrain Camshaft Assembly, Intake
Part Number: 12625986
$28.77 MSRP: $45.26
You Save: $16.49 (37%)
Product Specifications
- Other Name: CAMSHAFT, Engine; Camshaft
- Replaces: 12632193, 12604377, 12603544, 12609250
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 GMC Terrain | SLE2 SUV, SLT SUV | 6 Cyl 3.0L

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GMC Terrain Camshaft

Camshaft is crucial in regulating the engagement of the intake and exhaust valves in GMC Terrain engine to allow entry of air/fuel mixture for combustion and release of exhaust gases. Usually made from iron or steel, the GMC Terrain camshaft works under different types of arrangements like OHV, SOHC and DOHC. Each affects engine performance in a unique manner, for oHC arrangement permits independent control of both intake and exhaust valves. The GMC Terrain camshaft is connected and operated by the crankshaft so that it can provide the appropriate timing for the valves. Other modifying options include a camshaft that can increase power and efficiency by changing the lift, duration, and lobe separation angle. Such changes can result in better torque and RPM response, that would suit certain driving conditions, standard driving or for high performance.

Each OEM GMC Terrain Camshaft 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 Terrain Camshaft Parts Questions & Experts Answers

Camshaft Assembly, Exhaust
12604896
Q: How to remove and inspect the camshaft in 3.4L engine on GMC Terrain?
A:
To remove the engine, first to undo the bolt and clamp that is situated at the oil pump drive, then the oil pump drive should be pulled upwards and out of the block. Fourth, the timing chain, sprockets, as well as the valve lifters should be pulled out. Then remove the bolts with holding the camshaft thrust plate to the block surface and remove the thrust plate. Remove the camshaft by pushing it directly out of the engine using one long bolt as a lever and maintaining the support of the shaft at the block end with your hand; in this process try not to harm the bearings. If the camshaft has to come out, it is advisable to remove the bearings also, clean the camshaft with solvent, dry and inspect the bearing journals for signs of wear such as pitting or seizure etc, if they are damaged both the shaft and bearings will have to be replaced. This should be done using a micrometer on the bearing journals and on the camshaft lobes in order to check for conditions such as excessive wear or out of round and to measure the lobe lift by measuring at the largest and smallest points of the lobe. Check the camshaft lobes for any sign of dullness, scratching or wear, if the camshaft lobes are in good health and within legal size the camshaft can be regenerated. Gently rock the cam shaft to check the bearings in the block for deformation, galling or pits and the housing journals for any replacement. Measure the inside diameter of each bearing using an inside micrometers or a bore gauge; in calculating the bearing oil clearance subtract the camshaft bearing journal diameter from the inside diameter of each bearing; if clearance is in excess then new bearings will be required. Because camshaft bearing replacement undoubtedly means taking the block to an automotive machine shop, it would be better to do so. To install it, the camshaft bearing journals and the lobes must be lubricated with a special grease after which it should be slid into the engine using a bar and a long bolt, by holding it as close to the block as possible and also avoiding the bearing area. Lastly screw on the camshaft retainer plate and make sure that the camshaft sprocket bolts have been tightened to the recommended torque. For the oil pump drive, dip only the gear portion on fresh engine oil and screw it into the block so that it fits squarely against the mounting boss and then tightened by its retaining bolt. Also it is advisable to fit a new O-ring on the oil pump driveshaft before screwing onto the drive.