Workshop Manuals Factory service & repair Vauxhall
Vauxhall Astra J11 · Engine
11 · Engine

Engine Cranks Slowly

Make
Vauxhall
Model
Astra J
Section
Engine Electrical › Other Information › Engine Cranks Slowly
EngineEngine Cranks Slowly

Engine Cranks Slowly

Diagnostic Instructions

•  Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
•  Review Strategy Based Diagnosis for an overview of the diagnostic approach.
•  Diagnostic Procedure Instructions provides an overview of each diagnostic category.

Reference Information


Schematic Reference

Starting and Charging Schematics


Connector End View Reference

Component Connector End Views


Description and Operation

Starting System Description and Operation


Electrical Information Reference


Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification

1. Ignition OFF, measure and record the battery voltage at the battery terminals. The voltage should be between 12.0-15.0 V.
⇒ If not within the specified range, refer to Battery Charging .
2. Remove the drive belts. Refer to one of the following:
  •  Drive Belt Tensioner Replacement for 1.6L (LDE, LLU, and LXV) engine or 1.8L (2H0) engine
  •  Drive Belt Replacement for 1.6L (LDE, LLU, and LXV) engine or 1.8L (2H0) engine
  •  Drive Belt Tensioner Replacement for 1.3L diesel (LSF)
  •  Drive Belt Replacement for 1.4L (LDD or LUJ)
  •  Drive Belt Tensioner Replacement for 1.4L (LDD or LUJ)
  •  Drive Belt Tensioner Replacement for 1.7L diesel (LPL or LPV)
  •  Drive Belt Tensioner Replacement for 2.0 diesel (LBS or LBX)
3. Place the ignition switch to the CRANK position.
⇒ If the engine cranks normal, inspect the engine and belt drive system for mechanical binding, seized engine, or seized generator, etc.
4. Test for less than 0.5 V between the positive battery cable and terminal A X2 at the M64 starter motor as the ignition switch is placed to the CRANK position.
⇒ If greater than the specified value, replace the positive battery cable.
5. Test for less than 0.5 V between the negative battery cable and the starter motor case as the ignition switch is placed to the CRANK position.
⇒ If greater than the specified value, replace the negative battery cable.
6. If all circuits test normal, replace the M64 starter motor.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Parts & tools for this job For Vauxhall Astra

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