Power Solutions International — Crankshaft Balancer Replacement
Repair & overhaul
From a Power Solutions International service manual — check it applies to your exact model before use.
Applies to: General Motors 8.8L engine
Before you start
- Apply grease or clean engine oil to the inside of the balancer or crankshaft to prevent galling
Procedure
- Remove the air conditioning belt, the fan, and the starter motor.
- Install J 42847 to the starter bolt holes; tighten bolts to 50 Nm (37 lb ft).
- Remove the crankshaft balancer bolt and washer.
- Install J 42846 onto the end of the crankshaft.
- Install J 38416-B and remove the crankshaft balancer.
- Install the balancer onto the crankshaft and install J 42845.
- Tighten J 42845 until the balancer seats against the crankshaft sprocket.
- Install the crankshaft balancer bolt and tighten to 90 ft-lbs.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Crankshaft balancer bolt 90 ft-lbs
- J 42847 bolts 50 Nm (37 lb ft)
Source: Power Solutions International service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.