1985 Mazda 626 Piston, Rod Bearing

Piston, Rod Bearing Installation and Repair Tips for 1985 Mazda 626

• Q:

  How to properly remove the ridge from the top of each cylinder and check the end play before taking out the piston and connecting rod assemblies on 1985 Mazda 626?

  A:

  Using a ridge reamer, remove each cylinder's ridge or pistons may break. Check end play with a dial indicator on the connecting rod cap or with feeler gauges; replace rods if beyond service limit. Mark rods/caps, loosen caps, remove piston assemblies without dropping inserts, protect journals, reassemble caps finger tight.
• Q:

  What essential steps and considerations should be taken during an engine overhaul for Rod Bearing replacement and inspection on 1985 Mazda 626?

  A:

  When overhauling the engine, it is important to change both main and connecting rod bearings and keep the old ones to be analyzed and investigate the current state of the engine. Failure caused by poor lubrication, dirt contamination and corrosion may be borne. Good cleaning and frequent oil change is necessary to avoid problems. Bearing longevity is also influenced by driving habits.