In 2003, my 740 Caterpillar started smoking when I tried to start it. I replaced the starter and starter solenoid, but the issue persists. It's not the neutral switch, dump lever, or parking brake. Any suggestions on what might be causing this issue would be greatly appreciated by someone who has dealt with a similar problem before. Thank you.
Before starting the engine, make sure to attach a turning tool and rotate it at least twice to confirm that the crankshaft moves smoothly. This step is crucial for ensuring proper engine operation and preventing potential issues.
No, I haven't, but that is actually a good idea. It is possible that could be the reason for the issue. I will definitely look into that. Thank you for suggesting it.
Answer: 1. Q: I replaced the starter and starter solenoid in my 2003 CAT 740 truck, but it still smokes when I try to start it. What could be causing this issue? If the issue persists despite replacing the starter and solenoid, other potential causes of the smoking issue could include problems with the wiring, battery, or engine components.
Answer: Apart from the starter and solenoid, smoking during startup could be attributed to issues with the wiring connections, battery health, or internal engine problems such as fuel system issues or overheating.
Answer: Since those components have been eliminated as potential causes, it would be advisable to inspect the wiring for any faults, check the battery condition, and possibly have the engine's internal components assessed for any issues that could lead to smoking during startup.
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