Brake Line And Hose Replacement; Combination Valve Mounting - Dodge D150 1990 Service Manual

Rear wheel drive ram truck

Table of Contents

whenever the brake system is serviced, a t every en-

gine o i l change, o r whenever the vehicle is i n for ser-

Inspect the hoses for surface c r a c k i n g , scuffing, or

w o r n spots. Replace a n y brake hose i m m e d i a t e l y i f

t h e fabric casing of t h e hose is exposed due t o cracks

or abrasions.

Also check brake hose i n s t a l l a t i o n . F a u l t y i n s t a l l a -

t i o n can result i n k i n k e d , t w i s t e d hoses, or contact

w i t h t h e wheels and t i r e s or other chassis compo-

nents. A l l o f these condition c a n lead t o scuffing,

cracking and eventual f a i l u r e .

The steel brake lines should be inspected periodi-

cally for evidence of corrosion, t w i s t s , k i n k s , leaks, or

other damage. H e a v i l y corroded lines w i l l e v e n t u a l l y

P R E F E R R E D T O R Q U E

15 Nm (145 in-lbs)

11 Nm (100 ff-lbs)

( g ) 19 Nm (170 in-lbs)

r u s t t h r o u g h causing leaks. I n any case, corroded or

damaged brake lines should be replaced.

BRAKE LINE AND HOSE

Factory replacement brake lines and hoses are rec-

ommended to ensure q u a l i t y , correct l e n g t h and su-

perior fatigue life. Care should be t a k e n to make

sure t h a t brake l i n e a n d hose m a t i n g surfaces are

clean and free f r o m nicks a n d burrs. Also remember

t h a t r i g h t and left brake hoses are not interchange-

Use new copper seal washers a t a l l caliper connec-

tions ( F i g . 9). Be sure brake l i n e connections are

properly made (not cross threaded) and tightened to

recommended torque.

B r a k e l i n e r o u t i n g , connections and t i g h t e n i n g ref-

erence i n f o r m a t i o n is o u t l i n e d i n Figures 9 t h r o u g h

Fig. 8 Combination