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01-12-2025, 03:47 PM
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#1
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Junior Member
Join Date: Sep 2023
Posts: 12
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2003 F53 kingpin tolerance
Hello all,
After replacing wheel bearing and brake/rotors, I noticed some play in the kigpins. Does anyone know the tolerance or wear limits on these? I can only find generic tolerances, nothing specific to a 2003 F53. Thanks.
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01-12-2025, 03:58 PM
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#2
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Senior Member
Entegra Owners Club Spartan Chassis
Join Date: May 2023
Location: Cedar Rapids, IA
Posts: 1,643
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Quote:
Originally Posted by Ryan351
Hello all,
After replacing wheel bearing and brake/rotors, I noticed some play in the kigpins. Does anyone know the tolerance or wear limits on these? I can only find generic tolerances, nothing specific to a 2003 F53. Thanks.
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I think if you can see the movement the bushings need to be replaced. On my 2018 ACE on an F53 chassis. I had to have the bushings replaced in 2022 just after I purchased it with only 3900 miles on the odometer.
__________________
Dan, 2018 Thor ACE 30.3, 1996 Tiffin Allegro
2022 Entegra Aspire 44W, -- Spartan k2 chassis, -- 450 L9 Cummins
2020 Jeep Gladiator Rubicon
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01-12-2025, 04:06 PM
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#3
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Senior Member
Join Date: Jul 2014
Posts: 37,088
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Spicer/Eaton / Dana axle maintance book says 15 thousandth movement horizontally in each bushing is max.
It also says over 40 thousandth vertical movement is max.
If you have a lot of vertical movement, the thrust bearing may be failing from lack of lubrication. Too many people lift the tires to grease the king pins.
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01-12-2025, 06:16 PM
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#4
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Junior Member
Join Date: Sep 2023
Posts: 12
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Ugh.....Well I guess I'll be ordering parts!!! Anyone have shop procedure for doing king pins? Any pointets or what else to check or replace? Suggestions on brand of king pin kit? Wheel bearings, rotors, calipers are new. Nothing like pulling off new parts. Thanks
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01-12-2025, 06:39 PM
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#5
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Junior Member
Tiffin Owners Club
Join Date: May 2024
Posts: 14
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Plenty of YouTube videos on kingpin repair/replacement.
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01-13-2025, 09:35 PM
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#6
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Junior Member
Join Date: Sep 2023
Posts: 12
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Has anyone ever used MOOG or Mevotech is for kingpin set? These are the only ones I can find available. What have you guys used?
__________________
2003 Fleetwood Southwind 36B F53
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01-13-2025, 11:11 PM
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#7
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Senior Member
Join Date: Jul 2014
Posts: 37,088
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Haven't done king pins since the 80s but you'll want the correct bushing driver.
Support the axle near the end when driving out the pin. You don't want the axle hanging on the springs, they absorb the hammer blows.
Read the directions.
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01-13-2025, 11:18 PM
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#8
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Junior Member
Join Date: Sep 2023
Posts: 12
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Luckily the pins came out almost too easy. Light taps with a brass punch.
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2003 Fleetwood Southwind 36B F53
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01-23-2025, 01:39 PM
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#9
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Junior Member
Join Date: Sep 2023
Posts: 12
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Does anyone know the specs for shimming kignpin? I assume put the thrust bearing (flat face up so grease can get to it) then put a jack under spindle to take up gap, then measure gap on top and add shim but looking for the gap required? Thanks
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01-23-2025, 04:29 PM
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#10
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Senior Member
Join Date: Jul 2014
Posts: 37,088
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Spicer/Dana steer axle maintance manual lists .002 to .012 inch.
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01-23-2025, 06:00 PM
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#11
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Junior Member
Join Date: Sep 2023
Posts: 12
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You da man!!! Thank you so much. What manual are you referencing? I couldn't find anything. Pics....
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2003 Fleetwood Southwind 36B F53
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01-23-2025, 06:05 PM
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#12
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Senior Member
Join Date: Jul 2014
Posts: 37,088
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01-24-2025, 09:29 AM
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#13
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Junior Member
Join Date: Sep 2023
Posts: 12
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Thank you!!!
__________________
2003 Fleetwood Southwind 36B F53
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