Other Names: Idler Pulley, Serpentine Idler Pulley
Item Dimensions: 9.0 x 3.3 x 3.3 inches
Item Weight: 1.70 Pounds
Fitment Type: Direct Replacement
Replaces: 12587547
Part Description: 2007 Chevrolet Colorado Serpentine Idler Pulley
More Info
Vehicle Fitment
2007 Chevrolet Colorado | LS, LT, WT | 4 Cyl 2.9 L GAS, 5 Cyl 3.7 L GAS
FAQ for Idler Pulley Repair
Q: How to remove the Drive Belt Idler Pulley?
A:
You need to remove the drive belt, the left wheelhouse liner, and the air conditioning (A/C) suction hose from the compressor, then remove the A/C discharge hose from the compressor, the bolts securing the drive belt idler pulley to the engine, and remove drive belt idler pulley from the engine.
By Bob
GM Specialist
01/11/2022
Q: What is the recommended torque for the bolts securing the drive belt idler pulley to the engine?
A:
The recommended torque is 50 N.m (37 lb-ft).
By Bob
GM Specialist
01/11/2022
Q: How to install the Drive Belt Idler Pulley?
A:
You should position the drive belt idler pulley to the engine, install the bolts securing the drive belt idler pulley to the engine, and install the A/C suction hose to the compressor, install the A/C discharge hose to the compressor, then install the left wheelhouse liner and the drive belt.
By Bob
GM Specialist
01/11/2022
FAQ for Other Repair Info
Q: How to install the Balance Shaft Chain Guide?
A:
You should install the Balance Shaft Chain guide, next install the balance shaft chain guide bolts, and install the balance shaft drive chain.
Q: How to install the Timing Chain Guide - Upper?
A:
You should position the upper Timing Chain Guide to the cylinder head, next apply thread lock to the upper timing chain guide bolt threads, then install the upper timing chain guide bolts and the camshaft cover.
Q: How to install the Timing Chain Tensioner?
A:
You should position the Timing Chain Tensioner to the engine, install the timing chain tensioner bolts, remove the tee in the timing chain tensioner to regain tension on the timing chain, remove the J 44221 from the camshafts, then align the marked links on the timing chain with the timing marks on the exhaust camshaft position actuator sprocket, the Intake camshaft sprocket, and on the crankshaft sprocket, finally install the engine front cover and the camshaft cover.