Installation Instructions for Chevrolet Venture, Pontiac Trans Sport, Buick Terraza, Saturn Relay, and Oldsmobile Silhouette

Part Numbers:

• 75278
• 33094
• 87410
• 44574
• 75133 (U-Haul)

Applications:

• Chevrolet Venture & Uplander
• Pontiac Trans Sport & Montana & SV6
• Buick Terraza
• Saturn Relay
• Oldsmobile Silhouette

Tools Required:

• 1/2” Pull Wire (Provided)
• Wrenches: 10mm, 15mm, 3/4", 7/8", 17mm
• Drill Bits: 1/2”

Wiring Access Location:

• Refer to vehicle-specific instructions.

Step-by-Step Instructions:

1. Lower the Exhaust:

   • Detach the exhaust hanger on the passenger side to lower the vehicle exhaust.

2. Lower Load-Leveling Compressor (if applicable):

   • Detach the compressor on the driver’s side by removing (1) M10 bolt and (2) M6 nuts.

   Note: Trim the vertical tab on the compressor bracket if it interferes with the adjacent M10 bolt.

3. Install the Hitch:

   • Raise the hitch into position and secure it with M10 x 1.50 x 35mm CL10.9 bolts and 3/8” conical washers into the existing weldnuts on both sides.

4. Drill Holes for Additional Fasteners:

   • Use the rearmost holes in the hitch side brackets as a template to drill 1/2” holes in the vehicle frame rails.
   • For 2004 and older models:
     • Long wheelbase: Drill an additional 1/2” hole through the forwardmost passenger-side bracket location.
     • Short wheelbase: Align the forwardmost passenger-side bracket hole with the existing slot in the frame rail.
   • For 2005 and newer models:
     • Align the forwardmost slot in the passenger-side bracket with the existing weldnut in the frame rail.

5. Fishwire Fasteners (Passenger Side):

   • Use the provided pull wire to guide carriage bolts and spacer blocks through the existing slot in the frame rail and into position at the forwardmost hole.

   Note: Spacer block placement varies by model year and wheelbase:

   • 2004 and older short wheelbase: Place (2) blocks between the frame rail and hitch.
   • 2004 and older long wheelbase: Place (2) blocks between the hitch and lock washer.
   • 2005 and newer: Secure bolts through the fender support bar, hitch slot, and existing weldnut.

6. Secure Rear Fasteners:

   • Insert handle nuts through square holes inside the frame rail.
   • Install hex bolts and lock washers through the rearmost holes drilled in Step 4.

7. Reattach Components:

   • Reinstall the exhaust hanger and load-leveling compressor using M10 fasteners.

   Note for AWD Models: Pass the exhaust hanger through the 3” slot in the hitch side bracket. Use (2) 1/4” spacer blocks to reattach the hanger bracket.

Hardware List:

• (2) 1/4” x 1.50” x 2.00” Spacer Blocks
• (3) 1/2” Lock Washers
• (2) 1/2-13 x 1.50” GR5 Bolts
• (1) 1/2-13 x 2.00” GR5 Carriage Bolt
• (2) 1/2-13 Handle Nut Assemblies
• (5) M10 x 1.50 x 35mm CL10.9 Bolts
• (5) 3/8” Conical Washers

Torque Specifications:

• Tighten all M6 CL8.8 fasteners to 5 lb-ft (7 N·m).
• Tighten all 1/2-13 GR5 fasteners to 75 lb-ft (102 N·m).
• Tighten all M10 CL10.9 fasteners to 42 lb-ft (57 N·m).

Safety Notes:

• Check the hitch frequently to ensure all fasteners and the ball are properly tightened.
• If the hitch is removed, plug all holes in the trunk pan or other body panels to prevent water and exhaust fumes from entering.
• Replace any damaged hitch or ball immediately.
• Follow all safety precautions when working beneath the vehicle, and wear eye protection.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type and Weight Ratings:
  • Weight Distributing: Max Trailer Weight 5,000 lbs (2,270 kg), Max Tongue Weight 500 lbs (227 kg).
  • Weight Carrying (Ball Mount): Max Trailer Weight 3,500 lbs (1,589 kg), Max Tongue Weight 350 lbs (159 kg).
• Complies with safety specifications and requirements for connecting devices and towing systems of the State of New York, V.E.S.C. Regulation V-5, and SAE J684.

Installation Instructions for Chevrolet Venture, Pontiac Trans Sport, Buick Terraza, Saturn Relay, and Oldsmobile Silhouette

Part Numbers:

• 75278
• 33094
• 87410
• 44574
• 75133 (U-Haul)

Applications:

• Chevrolet Venture & Uplander
• Pontiac Trans Sport & Montana & SV6
• Buick Terraza
• Saturn Relay
• Oldsmobile Silhouette

Tools Required:

• 1/2” Pull Wire (Provided)
• Wrenches: 10mm, 15mm, 3/4", 7/8", 17mm
• Drill Bits: 1/2”

Wiring Access Location:

• Refer to vehicle-specific instructions.

Step-by-Step Instructions:

1. Lower the Exhaust:

   • Detach the exhaust hanger on the passenger side to lower the vehicle exhaust.

2. Lower Load-Leveling Compressor (if applicable):

   • Detach the compressor on the driver’s side by removing (1) M10 bolt and (2) M6 nuts.

   Note: Trim the vertical tab on the compressor bracket if it interferes with the adjacent M10 bolt.

3. Install the Hitch:

   • Raise the hitch into position and secure it with M10 x 1.50 x 35mm CL10.9 bolts and 3/8” conical washers into the existing weldnuts on both sides.

4. Drill Holes for Additional Fasteners:

   • Use the rearmost holes in the hitch side brackets as a template to drill 1/2” holes in the vehicle frame rails.
   • For 2004 and older models:
     • Long wheelbase: Drill an additional 1/2” hole through the forwardmost passenger-side bracket location.
     • Short wheelbase: Align the forwardmost passenger-side bracket hole with the existing slot in the frame rail.
   • For 2005 and newer models:
     • Align the forwardmost slot in the passenger-side bracket with the existing weldnut in the frame rail.

5. Fishwire Fasteners (Passenger Side):

   • Use the provided pull wire to guide carriage bolts and spacer blocks through the existing slot in the frame rail and into position at the forwardmost hole.

   Note: Spacer block placement varies by model year and wheelbase:

   • 2004 and older short wheelbase: Place (2) blocks between the frame rail and hitch.
   • 2004 and older long wheelbase: Place (2) blocks between the hitch and lock washer.
   • 2005 and newer: Secure bolts through the fender support bar, hitch slot, and existing weldnut.

6. Secure Rear Fasteners:

   • Insert handle nuts through square holes inside the frame rail.
   • Install hex bolts and lock washers through the rearmost holes drilled in Step 4.

7. Reattach Components:

   • Reinstall the exhaust hanger and load-leveling compressor using M10 fasteners.

   Note for AWD Models: Pass the exhaust hanger through the 3” slot in the hitch side bracket. Use (2) 1/4” spacer blocks to reattach the hanger bracket.

Hardware List:

• (2) 1/4” x 1.50” x 2.00” Spacer Blocks
• (3) 1/2” Lock Washers
• (2) 1/2-13 x 1.50” GR5 Bolts
• (1) 1/2-13 x 2.00” GR5 Carriage Bolt
• (2) 1/2-13 Handle Nut Assemblies
• (5) M10 x 1.50 x 35mm CL10.9 Bolts
• (5) 3/8” Conical Washers

Torque Specifications:

• Tighten all M6 CL8.8 fasteners to 5 lb-ft (7 N·m).
• Tighten all 1/2-13 GR5 fasteners to 75 lb-ft (102 N·m).
• Tighten all M10 CL10.9 fasteners to 42 lb-ft (57 N·m).

Safety Notes:

• Check the hitch frequently to ensure all fasteners and the ball are properly tightened.
• If the hitch is removed, plug all holes in the trunk pan or other body panels to prevent water and exhaust fumes from entering.
• Replace any damaged hitch or ball immediately.
• Follow all safety precautions when working beneath the vehicle, and wear eye protection.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type and Weight Ratings:
  • Weight Distributing: Max Trailer Weight 5,000 lbs (2,270 kg), Max Tongue Weight 500 lbs (227 kg).
  • Weight Carrying (Ball Mount): Max Trailer Weight 3,500 lbs (1,589 kg), Max Tongue Weight 350 lbs (159 kg).
• Complies with safety specifications and requirements for connecting devices and towing systems of the State of New York, V.E.S.C. Regulation V-5, and SAE J684.

Warranty Information:

• For complete warranty instructions, please download the full installation PDF.

Technical Support:

• For technical support and assistance, our team of experts is available to help. You can reach our tech support by visiting www.trailerjacks.com or calling 877-869-6690.