ຮຸ່ນ: TD902
This manual provides comprehensive instructions for the installation, operation, maintenance, and troubleshooting of your QA1 TD902 Double Adjustable Stocker Shock. This shock absorber is designed for specific automotive applications, including the Chevrolet Bel Air, to enhance vehicle performance and handling. Please read this manual thoroughly before proceeding with installation or adjustments to ensure proper function and safety.
ຄຳເຕືອນ: Improper installation or adjustment of suspension components can lead to serious injury or death. Always wear appropriate personal protective equipment, including eye protection. If you are not confident in your ability to safely install or adjust this product, seek assistance from a qualified professional.
The QA1 TD902 Double Adjustable Stocker Shock is engineered for precise control and durability. Key features include:

Figure 1: QA1 TD902 Double Adjustable Stocker Shock. This image shows the complete shock absorber assembly with its polished aluminum body and adjustment knobs.

Figure 2: Detailed diagram illustrating the internal components of the QA1 TD902 shock absorber. This includes the piston rod, aluminum body, deflective disc valving, and adjustment mechanisms, highlighting features like the three-step sealing system and precision machined piston.
ໝາຍເຫດ: For coil-over applications, specific coil-over hardware will be included and should be installed according to the separate coil-over instructions.
The QA1 TD902 is a double adjustable shock, allowing independent control over compression (bump) and rebound (extension) damping. This enables fine-tuning of your vehicle's ride and handling characteristics.
ເຄັດລັບ: Keep a log of your adjustment settings and how they affect vehicle performance to find your optimal setup for different driving conditions.
Regular maintenance helps ensure the longevity and optimal performance of your QA1 TD902 shock absorbers.
If you experience issues with your QA1 TD902 shock absorbers, consult the following common troubleshooting steps:
| ອາການ | ສາເຫດທີ່ເປັນໄປໄດ້ | ການແກ້ໄຂ |
|---|---|---|
| ການກະທົບກະເທືອນຫຼາຍເກີນໄປ/ການຄວບຄຸມການຂັບຂີ່ບໍ່ດີ | ບໍ່ຖືກຕ້ອງ ງamping settings (too soft), worn shock, insufficient spring rate. | Increase compression and/or rebound damping. Inspect for leaks or damage. Consult a suspension specialist. |
| Harsh Ride/Stiff Suspension | ບໍ່ຖືກຕ້ອງ ງamping settings (too stiff), incorrect spring rate. | Decrease compression and/or rebound damping. Ensure adjustments are symmetrical. |
| Fluid Leaks from Shock Body | Damaged seal, bent piston rod, internal component failure. | A leaking shock requires replacement or professional rebuilding. Contact QA1 support. |
| Clunking or Rattling Noise | Loose mounting hardware, worn bushings, internal shock damage. | Check and re-torque all mounting bolts. Inspect bushings for wear. If noise persists, inspect the shock for internal damage. |
If these steps do not resolve the issue, contact QA1 technical support for further assistance.
| ຍີ່ຫໍ້ | QA1 |
| ໝາຍເລກຕົວແບບ | TD902 |
| ຕໍາແຫນ່ງສ່ວນອັດຕະໂນມັດ | Center (Rear Shock Absorber) |
| ແບບ | ປັບໄດ້ສອງເທົ່າ |
| ປະເພດການບໍລິການພາຫະນະ | Car, Truck (Fits Chevrolet Bel Air) |
| ສໍາເລັດຮູບພາຍນອກ | ອາລູມີນຽມ Brushed |
| ວັດສະດຸ | ອາລູມີນຽມ |
| ໝາຍເລກພາກສ່ວນ OEM | TD902 |
| UPC | 806990060587 |
| ນ້ໍາຫນັກລາຍການ | 5 ປອນ |
| ຂະໜາດສິນຄ້າ | 19 x 3.75 x 3.5 ນິ້ວ |
QA1 products are manufactured to high standards. For specific warranty information regarding your TD902 Double Adjustable Stocker Shock, please refer to the official QA1 webເວັບໄຊ ຫຼືຕິດຕໍ່ບໍລິການລູກຄ້າຂອງເຂົາເຈົ້າໂດຍກົງ. ຮັກສາຫຼັກຖານການຊື້ຂອງທ່ານສໍາລັບການຮ້ອງຂໍການຮັບປະກັນ.
For technical assistance, installation questions, or troubleshooting beyond the scope of this manual, please contact QA1 customer support:
![]() |
ຄໍາແນະນໍາການຕິດຕັ້ງແຖບທາງຫນ້າ QA1 ສໍາລັບຍານພາຫະນະ Mopar A, B, ແລະ E-Body ຄູ່ມືການຕິດຕັ້ງລາຍລະອຽດສໍາລັບ QA1's 52861 & 52860 Front Sway Bars on Mopar '67-'72 A-Body, '66-'72 B-Body, ແລະ '70-'74 E-Body ຍານພາຫະນະທີ່ຕິດຕັ້ງດ້ວຍສະມາຊິກ QA1 K. ປະກອບມີເຄື່ອງມືທີ່ຕ້ອງການ, ຄໍາແນະນໍາຂັ້ນຕອນໂດຍຂັ້ນຕອນ, ຂໍ້ມູນສະເພາະຂອງແຮງບິດ, ແລະບັນທຶກຄວາມປອດໄພທີ່ສໍາຄັນ. |
![]() |
QA1 7838-1068 ຄໍາແນະນໍາການຕິດຕັ້ງ Diagonal Link ຄູ່ມືການຕິດຕັ້ງທີ່ສົມບູນແບບສໍາລັບ QA1 7838-1068 Diagonal Link, ເຫມາະສົມກັບລະບົບ QA1 Universal 4-Link ແລະ suspensions 4-link ອື່ນໆ. ປະກອບມີລາຍການຊິ້ນສ່ວນລາຍລະອຽດ, ເຄື່ອງມືທີ່ຕ້ອງການ, ຄໍາແນະນໍາການປະກອບຂັ້ນຕອນໂດຍຂັ້ນຕອນ, ແລະຂໍ້ມູນການຮັບປະກັນ. |
![]() |
QA1 Subframe Connector Installation Guide for GM F-Body (1970-1981) Detailed installation instructions for QA1 Subframe Connector Kits (P/N 52094, 52095) for 1970-1981 GM F-Body vehicles. Includes tools required, pre-installation notes, step-by-step assembly, parts list, torque specifications, and warranty information. |
![]() |
QA1 Universal HD Pro Rear Drag ຄໍາແນະນໍາການຕິດຕັ້ງ 4-link ຄູ່ມືການຕິດຕັ້ງທີ່ສົມບູນແບບສໍາລັບ QA1 Universal HD Pro Rear Drag 4-Link suspension ຊຸດ (P/N Rx70-000, Rx70-110, Rx70-150, 7838-1067). ລວມມີເຄື່ອງມືທີ່ຕ້ອງການ, ບັນທຶກການຕິດຕັ້ງກ່ອນ, ລາຍການຊິ້ນສ່ວນ, ລາຍລະອຽດຮາດແວ, ຂັ້ນຕອນການກະກຽມລົດ, ແລະຄໍາແນະນໍາການປະກອບ. |
![]() |
QA1 Front Sway Bar ຄໍາແນະນໍາການຕິດຕັ້ງສໍາລັບຍານພາຫະນະ GM ຄູ່ມືການຕິດຕັ້ງທີ່ສົມບູນແບບສໍາລັບແຖບ sway ຫນ້າ QA1 ກ່ຽວກັບຍານພາຫະນະ GM A, F, G-Body, ແລະ S-Series. ປະກອບມີເຄື່ອງມືທີ່ຕ້ອງການ, ຄໍາແນະນໍາຂັ້ນຕອນໂດຍຂັ້ນຕອນ, ແລະຂໍ້ມູນການຮັບປະກັນ. |
![]() |
QA1 65-72 F100 Engine Swap Mounts ຄໍາແນະນໍາການຕິດຕັ້ງ ຄູ່ມືການຕິດຕັ້ງລາຍລະອຽດສໍາລັບ QA1's 65-72 ຂອງ Ford F100 engine swap mount kits (P/N 7740-251 through 7740-254). ກວມເອົາຄວາມເຂົ້າກັນໄດ້ຂອງເຄື່ອງຈັກ, ເຄື່ອງມືທີ່ຈໍາເປັນ, ບັນທຶກການຕິດຕັ້ງກ່ອນ, ແລະຄໍາແນະນໍາການຕິດຕັ້ງຂັ້ນຕອນໂດຍຂັ້ນຕອນສໍາລັບເຄື່ອງຈັກ FE, Windsor, Mod/Coyote, LS, ແລະ 429/460. |