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73-87chevytrucks.com
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73-87 Chevy _ GMC Trucks
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Jerks when put in reverse
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Topic: Jerks when put in reverse (Read 2079 times)
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
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bd
Global Moderator
Senior Member
Posts: 6454
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.
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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)
VileZambonie
Global Moderator
Senior Member
Posts: 19023
Re: Jerks when put in reverse
«
Reply #2 on:
September 18, 2018, 05:24:39 PM »
To BD you listen mmmm
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, ___
/ _ _ _\_
⌠ŻŻŻŻŻ' [☼===☼]
`()_);-;()_)--o--)_)
74 GMC
,
75 K5
,
84 GMC
,
85 K20
,
86 k20
,
79 K10
bd
Global Moderator
Senior Member
Posts: 6454
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
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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)
VileZambonie
Global Moderator
Senior Member
Posts: 19023
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
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, ___
/ _ _ _\_
⌠ŻŻŻŻŻ' [☼===☼]
`()_);-;()_)--o--)_)
74 GMC
,
75 K5
,
84 GMC
,
85 K20
,
86 k20
,
79 K10
bd
Global Moderator
Senior Member
Posts: 6454
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.
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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)
VileZambonie
Global Moderator
Senior Member
Posts: 19023
Re: Jerks when put in reverse
«
Reply #6 on:
September 19, 2018, 03:50:18 AM »
Logged
, ___
/ _ _ _\_
⌠ŻŻŻŻŻ' [☼===☼]
`()_);-;()_)--o--)_)
74 GMC
,
75 K5
,
84 GMC
,
85 K20
,
86 k20
,
79 K10
c10rider
Newbie
Posts: 47
Newbie
Re: Jerks when put in reverse
«
Reply #7 on:
September 19, 2018, 07:18:05 PM »
thank you bd
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Jerks when put in reverse