Author Topic: Jerks when put in reverse  (Read 1896 times)

Offline c10rider

  • Newbie
  • Posts: 47
  • Newbie
Jerks when put in reverse
« on: September 17, 2018, 07:18:17 PM »
Hi everyone, I have a 74c10 , when I put it in reverse it jerks kinda hard does anyone know what it could be , any input would be appreciated


Sent from my iPhone using Tapatalk

Offline bd

  • Global Moderator
  • Senior Member
  • *****
  • Posts: 6438
Re: Jerks when put in reverse
« Reply #1 on: September 17, 2018, 07:45:18 PM »
A few possibilities:  the idle RPM is set too high; worn u-joints; sheared transmission mount or missing bolts; cumulative drivetrain wear in the transmission, differential and/or drive axle splines; really loose spring shackles and/or u-bolts.  The net effect of excess drivetrain wear is a rapid rotational acceleration of the driveline as torque is applied, which then comes to an abrupt stop when the drivetrain play is taken up, usually resulting in a bang that is sometimes accompanied by the vehicle lurching forward or backward.
Rich
It's difficult to know just how much you don't know until you know it.
In other words... if people learn by making mistakes, by now I should know just about everything!!!
87 R10 Silverado Fleetside 355 MPFI 700R4 3.42 Locker (aka Rusty, aka Mater)

Offline VileZambonie

  • Global Moderator
  • Senior Member
  • *****
  • Posts: 18979
Re: Jerks when put in reverse
« Reply #2 on: September 18, 2018, 05:24:39 PM »
To BD you listen mmmm
,                           ___ 
                         /  _ _ _\_
              ⌠ŻŻŻŻŻ'   [☼===☼]
              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline bd

  • Global Moderator
  • Senior Member
  • *****
  • Posts: 6438
Re: Jerks when put in reverse
« Reply #3 on: September 18, 2018, 05:42:54 PM »
Hey, nice patina!   Or, maybe it was cantina?   I forget....   lol
Rich
It's difficult to know just how much you don't know until you know it.
In other words... if people learn by making mistakes, by now I should know just about everything!!!
87 R10 Silverado Fleetside 355 MPFI 700R4 3.42 Locker (aka Rusty, aka Mater)

Offline VileZambonie

  • Global Moderator
  • Senior Member
  • *****
  • Posts: 18979
Re: Jerks when put in reverse
« Reply #4 on: September 18, 2018, 05:54:27 PM »
Great, now this will be stuck in my head

https://www.youtube.com/watch?v=z-qd198SFwo
,                           ___ 
                         /  _ _ _\_
              ⌠ŻŻŻŻŻ'   [☼===☼]
              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline bd

  • Global Moderator
  • Senior Member
  • *****
  • Posts: 6438
Re: Jerks when put in reverse
« Reply #5 on: September 18, 2018, 07:01:52 PM »
You're welcome!   :)


Really, it's kind of a catchy, iconic classic.   8)
Rich
It's difficult to know just how much you don't know until you know it.
In other words... if people learn by making mistakes, by now I should know just about everything!!!
87 R10 Silverado Fleetside 355 MPFI 700R4 3.42 Locker (aka Rusty, aka Mater)

Offline VileZambonie

  • Global Moderator
  • Senior Member
  • *****
  • Posts: 18979
Re: Jerks when put in reverse
« Reply #6 on: September 19, 2018, 03:50:18 AM »
 8)
,                           ___ 
                         /  _ _ _\_
              ⌠ŻŻŻŻŻ'   [☼===☼]
              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline c10rider

  • Newbie
  • Posts: 47
  • Newbie
Re: Jerks when put in reverse
« Reply #7 on: September 19, 2018, 07:18:05 PM »
thank you bd