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Ask William Herren Your Own Question
William Herren
William Herren, OWNER
Category: Medium and Heavy Trucks
Satisfied Customers: 26
Experience:  Mechanic at HERREN INDUSTRIAL GROUP
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JAKE BRAKE will fade out on two stages after it run and

Customer Question

JAKE BRAKE will fade out on two stages after it run and motor get warm.
JA: We'll do all we can to help. Tell me a bit more about what's going on so the Heavy Equipment Mechanic can help you best.
Customer: will the ECM make the jake brake fade out after it run for a little bit? it hit on all three stages till the motor get warm
JA: Is there anything else the Heavy Equipment Mechanic should be aware of?
Customer: just that thanks
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Heavy Equipment Mechanic about your situation and then connect you two.
Submitted: 8 months ago.
Category: Medium and Heavy Trucks
Customer: replied 8 months ago.
it is a 1992 60 series 12.7 liter
Expert:  William Herren replied 8 months ago.
Hello my name is ***** ***** I would like to help with this problem. Your ECM will not make the jake fade. The jake solenoid coil is failing causing this issue when the engine is warmer. Replace solenoid and your problem will be corrected.

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