Chevrolet 1999 Astro Specifications download pdf (Page 211)

Hitches

It’s important to have the correct hitch equipment.

Crosswinds, large trucks going by and rough roads

are a few reasons why you’ll need the right hitch.

Here are some rules to follow:

If you’ll be pulling a trailer that, when loaded, will

weigh more than

2,000

Ibs.

(900

kg.), be sure to

use a properly mounted, weight-distributing

hitch and sway control of the proper size. This

equipment is very important for proper vehicle

loading and good handling when you’re driving.

Will you have to make any holes in the body of

your vehicle when you install a trailer hitch?

Follow the manufacturer’s recommendation for attaching

safety chains and do not attach them to the bumper.

Always leave just enough slack

you can turn with

your rig. Never allow safety chains to drag on the ground.

Trailer Brakes

your trailer weighs more than

1,000

Ibs

(450

kg)

loaded, then it needs its own brakes

and they must

be adequate. Be sure to read and follow the instructions

for the trailer brakes

you’ll be able to install, adjust

and maintain them properly.

Your trailer brake system can tap into your vehicle’s

hydraulic brake system, except:

you do, then be sure to seal the holes later when

you remove the hitch. If you don’t seal them,

deadly carbon monoxide

(CO)

from your exhaust

can get into your vehicle. Dirt and water can, too.

Safety Chains

You should always attach chains between your vehicle

and your trailer. Cross the safety chains under the tongue

of the trailer to help prevent the tongue from contacting

the road

it becomes separated from the hitch.

Instructions about safety chains may be provided by

the hitch manufacturer or by the trailer manufacturer.

Don’t tap into your vehicle’s brake system

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.

Will the trailer parts take

3,000

psi

(20

650

kPa) of

pressure? If not, the trailer brake system must not

be used with your vehicle.

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.

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Chevrolet 1999 Astro Specifications Page 211

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