CALTRACS INSTALL GUIDE - STANDARD. Park truck on a flat work area, chocking the front tires is advised to avoid rolling.I've used several different traction bars, and can assure you Caltracs are certainly worth their weight in gold. Call: 661-728-9600 Monday-Friday, 8am-pm Pacific Time ; FAQs. Frequently asked questions and answers from our Techs ; DIMENSION SHEETS. A leading claims and risk management solutions provider, we partner with you to mitigate risk and achieve outcomes that matter most to your ongoing success. The truck wheel hopped very bad before the bars. Installing the CALTRACS is very straightforward. Raise and support the car high enough to remove the rear tires. Rent heavy equipment now.