1998 Chevrolet Astro Owner's Manual - Page 217

Your trailer brake system can tap into your vehicle's hydraulic brake system, except: .; Driving with a Trailer I 0 1 Don't tap into your vehicle's brake system if the trailer's brake system will use more than 0.02 cubic inch (0.3 cc) of fluid from your vehicle's master cylinder. If it does, both braking systems won't work well. You could even lose your brakes. pressure? If not, the trailer brake system must not be used with your vehicle. e Will the trailer parts take 3,000 psi (20 650 kPa) of 0 If everything checks out this far, then make the brake fluid tap at the port on the master cylinder that sends fluid to the rear brakes. But don't use copper tubing for this. If you do, it will bend and finally break off. Use steel brake tubing. you have a rear-most window open andyou pull a trailer with your vehicle, carbon monoxide (CO) could come into your vehicle. You can't see or smell CO. It can cause unconsciousness or Index.) To death. (See "Engine Exhaust" in the maximize your safety when towing a trailer: Have your exhaust system inspected for leaks, and make necessary repairs before starting on your trip. Keep the rear-most windows closed. 0 If exhaust does come into your vehicle through a window in the rear or another opening, drive with your front, main heating orcooling system on andwith the fan on any speed. This will bring fresh, outside air into your vehicle. Do not use MAX A/C because it only recirculates the air inside your vehicle. (See "Comfort Controls" in theIndex.) 4-33