How to replace the starter motor (LAF) on GMC Terrain?

To replace the Starter motor (LAF) one will first remove the negative Battery Cable. Second, eliminate the positive air pump vacuum brake booster (2.4L & 3.0L engines). Lift the vehicle, remove the engines harness connector sticking out from the Starter. Depress when removing the Starter when removing the Starter solenoid terminal nut and the Starter solenoid wire terminal from the Starter plus the positive Battery Cable terminal (DeCristofaro, 2016). Drain the bolts that are attached to the Starter and remove the Starter. For installation, place the Starter to the engine while maintaining precautions on the fasteners. Put in the Starter bolts, tighten them thereby 40 nm (30 lb ft). Reconnect the Starter solenoid wire terminal and the positive Battery Cable terminal with the anti-rotational tab in the correct indexing slot. Mount and tighten the Starter solenoid terminal nut to 17 nm (13 lb.ft.), and attach the engine harness connector to the Starter. Replace the power vacuum brake booster pump for both types of engines, lower the vehicle and the last one is connecting the negative Battery Cable.

OEM GMC Terrain Starter

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5 Starters found

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GMC Terrain Starter
Part Number: 12645298
$202.40 MSRP: $401.72
You Save: $199.32 (50%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Starter, Starter Motor; Starter Motor
- Replaces: 12598756, 12601721
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 GMC Terrain | Denali, SLE, SLT | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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GMC Terrain Starter
Part Number: 55491790
$156.15 MSRP: $293.24
You Save: $137.09 (47%)
ADD TO CART
Product Specifications
- Other Name: Starter, Starter Motor
- Replaced by: 55503480
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2019 GMC Terrain | SLE, SLT | 4 Cyl 1.6 L DIESEL
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GMC Terrain Starter
Part Number: 12663052
$250.27 MSRP: $482.32
You Save: $232.05 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Starter, Starter Motor; Starter Motor
- Replaces: 12658432
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 GMC Terrain | Denali, SLE, SLT | 4 Cyl 2.0 L GAS
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GMC Terrain Starter
Part Number: 12707576
$221.43 MSRP: $439.52
You Save: $218.09 (50%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Starter Assembly-.; Starter, Starter Motor
- Replaced by: 25207544
- Replaces: 12680615, 12690481, 12673600
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 GMC Terrain | AT4, Denali, SL, SLE, SLT | 4 Cyl 1.5 L GAS
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GMC Terrain Starter
Part Number: 12609317
$213.89 MSRP: $424.53
You Save: $210.64 (50%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Starter, Starter Motor
- Replaces: 89060407
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 GMC Terrain | Denali, SL, SLE, SLT | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS

GMC Terrain Starter

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GMC Terrain Starter Parts Questions & Experts Answers

Starter
12645298
Q: How to replace the starter motor (LAF) on GMC Terrain?
A: To replace the Starter motor (LAF) one will first remove the negative Battery Cable. Second, eliminate the positive air pump vacuum brake booster (2.4L & 3.0L engines). Lift the vehicle, remove the engines harness connector sticking out from the Starter. Depress when removing the Starter when removing the Starter solenoid terminal nut and the Starter solenoid wire terminal from the Starter plus the positive Battery Cable terminal (DeCristofaro, 2016). Drain the bolts that are attached to the Starter and remove the Starter. For installation, place the Starter to the engine while maintaining precautions on the fasteners. Put in the Starter bolts, tighten them thereby 40 nm (30 lb ft). Reconnect the Starter solenoid wire terminal and the positive Battery Cable terminal with the anti-rotational tab in the correct indexing slot. Mount and tighten the Starter solenoid terminal nut to 17 nm (13 lb.ft.), and attach the engine harness connector to the Starter. Replace the power vacuum brake booster pump for both types of engines, lower the vehicle and the last one is connecting the negative Battery Cable.

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