GMC 1989 Light Duty Truck Repair Manual page 4

To reduce th e chan ce of personal injury a n d /o r p roperty dam age, the
follo w in g instructions m ust be carefu lly o bserved.
P roper service and rep air are im portant to th e s afety of th e service tech ­
nician and th e safe, reliable op eratio n of all m otor veh icles. If part replace­
m ent is n ecessary, th e part m ust be rep laced w ith one of the sam e part
num ber or w ith an equ ivalen t part. Do not use a rep lacem en t part o f lesser
quality.
The service pro ced u res reco m m en d ed and described in this service
m anual are e ffec tive m ethods of p erform ing service and repair. Som e of
these procedures req uire th e use of tools specially d esigned fo r the pur­
pose.
A ccordingly, anyo n e w ho intends to use a rep lacem en t part, service
procedure or to o l, w hich is not reco m m en d ed by the veh icle m anufacturer,
m ust first d eterm in e that n eith er his safety nor th e safe operation of the
vehicle will be jeo pard ized by the rep lacem en t part, service procedure or
tool selected.
It is im portant to note th a t this m anual contains various
that m ust be c arefu lly observed in o rd er to reduce the risk of
N o tic e s
personal injury during service or repair, or th e p ossibility that im proper
service or rep air m ay d am ag e the veh icle or ren d er it unsafe. It is also
im portant to understand that these 'C a u tio n s ' and 'N o tic e s ' are not ex­
h austive, b ecause it is im possible to w arn of all th e possible hazardous
con seq uences that m ight result from failu re to fo llo w these instructions.
CAUTION
and
C a u tio n s