Genuine Chevrolet Express Balance Shaft Gear

Chevrolet Express Balance Shaft Gear Parts Questions & Experts Answers

• Gear Kit,Balancer Shaft
  12513234
  Q: How to remove and install the Balance Shaft Chain and Balance Shaft Gear on Chevrolet Express?

  A:

  In order to disconnect the balance shaft it is necessary to loosen the balance shaft gear bolt and, after that, remove the timing chain in order to maintain the required position of the shaft. In the case of the balance shaft and the bearing in front of it, it is only possible to service them as a complete unit, and not individually. , starting with the detachment of the negative battery terminal, air filter housing and intake duct, and subsequently, the draining of the liquid cooling system, detachment of the drive belts and coolant reservoir. Continue with 2014 and earlier models to pull timing chain, two bolts and balance shaft retainer located at the front of the block and finally use slide hammer to pull out balance shaft front bearing. On the 2018 and later models, after disconnecting the starter motor and oil pump, you have to compress the balance shaft thrust plate spring while you simultaneously use a special tool to keep it compressed. Unscrew the balance shaft sprocket bolt and separate the chain guide retainer bolts and the chain guide and then remove the balance shaft driven sprocket bolt, sprocket, and chain in one go. Subsequently to the removal of the timing chain and the crankshaft sprocket, carefully pull the balance shaft out to prevent the destruction of the bearings. Check the condition of the balance shaft and all parts paying attention to the fact that the rear bushing must be replaced by a machine shop. For installation, provide a film of oil in the balance shaft bearing journals, insert the balance shaft into the engine and darling until the front bearing gets locked. Now fit in the balance shaft retainer and the driven gear making sure that the timing marks are well aligned. For the part number for 2018 and later models, be certain that the flat spot on the balance shaft is on the 3 o'clock position, hook the balance shaft chain around the sprockets as well as examine if the timing marks are aligned properly. Place and bolt the balance shaft chain in order and ensure that you tighten all bolts to the required torque so as to meet the required tightness, then you reverse the procedure of removing it. Last put the correct oil and check for leakage then send the vehicle back to the road.