We have had this setup since mid-2021 and are pretty happy with it for transporting a 14' Hobie kayak:
- T-60335 Retrax One XR tonneau cover
- Yakima Tonneau Kit 1 Adapter Kit For Select Tonneau Covers
- Yakima OverHaul HD racks
- Yakima 8001156 HD Heavy-duty 60" Small Black Aluminum Crossbars...
Maybe just a note here: the emergency/parking brakes use a separate drum brake system than the normal disc brakes. RangerBill's suggestion would help sort out if the parking brake is causing an issue.
There's always the option of buying some single-ear hose clamps to have them on hand, e.g.:
https://www.amazon.com/Swpeet-Stainless-Assortment-Automotive-Appliance/dp/B07GVGLS2X?source=ps-sl-shoppingads-lpcontext&ref_=fplfs&smid=A3NIEYL6KEKEDV&gQT=1&th=1
John,
Have you looked into your EGR vacuum control valve as a possible culprit for uneven power application? Here's a thread for the (easy) replacement and a link to the "bucking/surging epidemic" thread...