Same shear bolt broke again. Second time in a little over 6 years on our 2007 HR Endeavor. It is the front bolt on the road side kitchen slide that has the frig, dinette and desk. That slide has to ride up over the tile floor rather than straight in like the other kitchen slide.At least this time in broke in the garage and not out on the road like the first time. Doesn't bind or make unusual noises. When the tech fixed it last time, he took multiple measurements to make sure that it was pulling square.The only possible issue that I can think of is we took the couch out of the slide and replaced it with a much lighter chair, stool and small desk. So, the slide end that keeps shearing the bolt is probably a couple hundred pounds lighter than original configuration. Can't imagine that would be an issue.Would like to hear from any of you HR/Monaco owners about any known issues.

You may have to increase the shear strength of the bolt. A constant amperage reading will reveal whether or not the slide action is free and correct for the entire length of travel. A sudden increase in motor load amperage is a dead giveaway that stuff is misaligned.

MEXICOWANDERER wrote:You may have to increase the shear strength of the bolt. A constant amperage reading will reveal whether or not the slide action is free and correct for the entire length of travel. A sudden increase in motor load amperage is a dead giveaway that stuff is misaligned.Good suggestion on the amps. I'll check the head of the bolt to see what grade it is and see about going up in strength.

Mite also check and see if the hole is egg shaped have heard this is also hard on the slide bolts. The fix is to re-drill the holes 1 size larger with a larger bolt.

John Wayne wrote:Mite also check and see if the hole is egg shaped have heard this is also hard on the slide bolts. The fix is to re-drill the holes 1 size larger with a larger bolt.Hole is nice and round. Thanks for the suggestion.

The age is about the norm for shearing bolts. First thing you do is make sure the to redrill the drive shaft tube. I KNOW you stated it is round, but after 6 years, it HAS to have enlarged some. You need to make sure any hardened bolt, that NO threads are in any part of the torque area. The smooth shaft needs to be all the way thru and slightly extend past the exit square shaft tube. The weakest point is if any threads are still contacting the drilled holes in the driveshaft tube. ANY slop in the drift shaft holes will hasten shearing. That is why I advise to cut off the existing tube end and drill a slightly smaller hole and slowly ream the hole out to get a very tight fit when the bolt goes thru. Doug

Same slide shear bolt broke again! Questions for you.

dougrainer
Nomad
May 15, 2013
The age is about the norm for shearing bolts. First thing you do is make sure the to redrill the drive shaft tube. I KNOW you stated it is round, but after 6 years, it HAS to have enlarged some. You need to make sure any hardened bolt, that NO threads are in any part of the torque area. The smooth shaft needs to be all the way thru and slightly extend past the exit square shaft tube. The weakest point is if any threads are still contacting the drilled holes in the driveshaft tube. ANY slop in the drift shaft holes will hasten shearing. That is why I advise to cut off the existing tube end and drill a slightly smaller hole and slowly ream the hole out to get a very tight fit when the bolt goes thru. Doug
Thunder_Mountai
Explorer II
May 14, 2013
John Wayne wrote:
Mite also check and see if the hole is egg shaped have heard this is also hard on the slide bolts. The fix is to re-drill the holes 1 size larger with a larger bolt.

Hole is nice and round. Thanks for the suggestion.
John_Wayne
Explorer II
May 14, 2013
Mite also check and see if the hole is egg shaped have heard this is also hard on the slide bolts. The fix is to re-drill the holes 1 size larger with a larger bolt.
Thunder_Mountai
Explorer II
May 14, 2013
MEXICOWANDERER wrote:
You may have to increase the shear strength of the bolt. A constant amperage reading will reveal whether or not the slide action is free and correct for the entire length of travel. A sudden increase in motor load amperage is a dead giveaway that stuff is misaligned.

Good suggestion on the amps. I'll check the head of the bolt to see what grade it is and see about going up in strength.
MEXICOWANDERER
Explorer
May 14, 2013
You may have to increase the shear strength of the bolt. A constant amperage reading will reveal whether or not the slide action is free and correct for the entire length of travel. A sudden increase in motor load amperage is a dead giveaway that stuff is misaligned.

Forum Discussion

Same slide shear bolt broke again! Questions for you.

About Technical Issues

Related Content

Wheel seal leaking again and again and again

Overweight Again....

Adios...Again!

Tire pressure....again

Slide out question