John Deere — Remove and Install Crankshaft Position Sensor
Maintenance
From a John Deere service manual — check it applies to your exact model before use.
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Procedure
- Disconnect crankshaft position sensor wiring connector.
- Remove sensor from timing gear cover.
- Check sensor-to-crankshaft timing wheel dimension using JDG1334 Depth Checking Tool or a depth gauge.
- If distance is less than 36.7 mm (1.44 in.), install R60756 shim; if greater than 38.2 mm (1.50 in.), contact Dealer DTAC representative.
- Coat O-ring on sensor with JDT405 High Temperature Grease.
- Install sensor (and shim if required) in timing gear cover; tighten to specification.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Crankshaft Position Sensor Spotface-to-Crankshaft Timing Wheel Tooth—Distance 36.7—38.2 mm (1.44—1.50 in.)
- Crankshaft Position Sensor—Torque 14 N·m (10 lb-ft)
Source: John Deere 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.