OEM Trailer Hitch Torque Specs
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Joined: Jan 2005
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OEM Trailer Hitch Torque Specs
Hi gang...
I picked up an OEM hitch off of E-bay and need to know what the torque specs are for the hitch bolts. I did a quick search and didn't find anything. It's a 2001 Expedition, OEM hitch and carriage bolts. If anyone has the torque specs, it would be greatly apprecitated. Thanks in advance!!!
-Rob
I picked up an OEM hitch off of E-bay and need to know what the torque specs are for the hitch bolts. I did a quick search and didn't find anything. It's a 2001 Expedition, OEM hitch and carriage bolts. If anyone has the torque specs, it would be greatly apprecitated. Thanks in advance!!!
-Rob
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Joined: Nov 2006
Posts: 5,495
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From: Memphis, TN 38135, USA, Earth
All the big bolts are 129 lb-ft; the small one for the connector plate is 35.
Installation
Using brake cleaner, remove all frame wax from the trailer hitch and frame mating surfaces.
Position the trailer hitch to the vehicle frame and support or clamp in place.
CAUTION: Do not reuse hitch to frame fasteners. The bolts and nut plates used are intended as one-use fasteners.
Apply threadlock to the fasteners.
CAUTION: To avoid cross threading the bolts into the nut plates, start each bolt by hand.
CAUTION: Do not final tighten any bolts until all fasteners have been installed.
Hand start the hitch to frame fasteners.
NOTE: Fasteners must be tightened in a particular sequence beginning with the horizontal fasteners.
Tighten the fasteners.
Tighten the horizontal fasteners.
Tighten the vertical fasteners.
Remove the hitch supports and/or clamps.
Install the trailer lighting connector.
Apply anti-corrosion compound to all areas where frame wax was previously removed.
Lower the vehicle and if equipped, re-enable the air suspension.
Using brake cleaner, remove all frame wax from the trailer hitch and frame mating surfaces.
Position the trailer hitch to the vehicle frame and support or clamp in place.
CAUTION: Do not reuse hitch to frame fasteners. The bolts and nut plates used are intended as one-use fasteners.
Apply threadlock to the fasteners.
CAUTION: To avoid cross threading the bolts into the nut plates, start each bolt by hand.
CAUTION: Do not final tighten any bolts until all fasteners have been installed.
Hand start the hitch to frame fasteners.
NOTE: Fasteners must be tightened in a particular sequence beginning with the horizontal fasteners.
Tighten the fasteners.
Tighten the horizontal fasteners.
Tighten the vertical fasteners.
Remove the hitch supports and/or clamps.
Install the trailer lighting connector.
Apply anti-corrosion compound to all areas where frame wax was previously removed.
Lower the vehicle and if equipped, re-enable the air suspension.