1993 GMC SIERRA oil type

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Page 332 of 436

GMC SIERRA 1993  Owners Manual Service & Appearance Care 
You should  not  use  penetrating  oils  because  they  could  wash  out  the  factory 
installed  lubricant  and  cause  the  lock  to  bind.  De-icers  which contain  alco

Page 364 of 436

GMC SIERRA 1993  Owners Manual Service & Appearance  Care 
Rinse  the  section  with  a  clean,  wet  sponge. 
Wipe off what’s left  with  a  slightly  damp  paper  towel  or  cloth. 
Then  dry it immediately  with  an  air hose,

Page 377 of 436

GMC SIERRA 1993  Owners Manual I  I Power  Rating I 1 
Lamp or  Bulb 
Malfunction  Indicator (“Service Engine 
Quantity 
at 12.8V, Watts  Trade No. 
Soon”) 
“Diesel  only 
**Crew Cab  Only  tCanadian Vehicles  only t0390 
1 .