JTC-4157 Crankshaft Locking Tool-for BMW N42, N45
Special designed to lock crankshaft when releasing / tightening central bolt.
Applicable: BMW N12, N13, N14, N40, N42, N45, N46, N52.
BM number: 119280.
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1. Key Features
The JTC-4157 Crankshaft Locking Tool is specially designed to lock the crankshaft while loosening or tightening the central bolt on various BMW engines.
The tool securely locks the crankshaft, preventing unwanted rotation during service operations such as crankshaft pulley removal, timing chain replacement and engine maintenance.
Manufactured to OEM specifications, JTC-4157 provides accurate positioning while minimizing the risk of damage to the flywheel and drivetrain components.
Constructed from high-strength alloy steel, the tool delivers excellent durability, high torque resistance and long service life for professional workshop use.
Applications
BMW N12
BMW N13
BMW N14
BMW N40
BMW N42
BMW N45
BMW N46
BMW N52
BMW Reference Number
119280
2. Applications
Locking the crankshaft while loosening the central bolt.
Locking the crankshaft while tightening the central bolt.
Timing chain replacement.
Crankshaft pulley removal and installation.
BMW engine maintenance and overhaul.
Professional automotive repair workshops.
3. Instructions for Use
Rotate the engine to the specified service position.
Install the JTC-4157 crankshaft locking tool.
Confirm the tool is securely engaged.
Loosen or tighten the central bolt using the appropriate service tools.
Remove the locking tool after service and verify engine timing.
4. Maintenance
Clean after each use.
Apply anti-rust oil periodically.
Inspect the locking surfaces before use.
Use only for its intended purpose.
Store in a clean and dry carrying case.
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