20 Most Recent Golds Gym 450 Treadmill Drive Motor Questions & Answers

Go to the link for help with this problem. https://www.treadmilldoctor.com/treadmill-belt-slipping

If you need to purchase a new safety key that was designed to work with your Gold's Gym machine, here is a link to one that is listed for seven models of the 450. But please make sure that your exact model is listed to ensure compatibility. Safety key 6043675 Fitness and Exercise Equipment Repair Parts

see the video and fix it. However after you did this and the problem remain, you must test a) control board or b) replace the old board deck belt.

This problem needs more details to service....seem like you have multiple problems...better to call for service 877-805-1030