GENERAL INFORMATION Continued nnf For a full explanation on decodlng the model code and wheelbase refer to the truck series identification chart The following is a list of all the body codes CK 03 Cab 2 Door CK 43 Cab 4 Door CK 06 Suburban A CK 16 Blazer Jimmy RV 03 Cab 2 Door RV 43 Cab 4 Door RV 06 Suburban RV 16 Blazer Jimmy when using the dimensions and other data shown ln the Descrlptlon Column the Parts Manager should be guided by the following 1 length overall refers to the total length of a part measured over the longest dimension An irregular shaped piece is measured over the longest dimension regardless of contours and bends 2 dev length refers to the total length of a Bart such as a tall plpe or gas Elpe measured as though the part were stralg tened out This measurement can e taken on formed pipes by using a string o follow the contours of the plpe and then measuring t e length o string used 3 I D refers to the lnslde d1ameter 0 D refers to the outside dlameter 0 s refers to oversize U s refers to underslze To locate the listing of a Part determine the model vehicle and refer to the book under the Group Number identifying it which may be determined by using any of the following three 3 methods 1 Consult Alphabetical index at front of book which lists parts by noun and descriptive names and refers to the exact Group Number where all parts of similar kind may be found If name of desired part is not really ound in V the index a correlated Part Name will suggest approximate loca lon 2 Consult Illustrations on which Group Numbers and Noun Name are shown which will refer to the art or assembly wanted On illustrations where both left ang right part numgers are listed the first number will designate left hand s e 3 Consult Numerical Index if a Part Number is known and use its Group Number to locate a similar part or be directed to the approximate location of correlated parts The column headed NO U ED lndlcates the number of pieces required The term A R means AS REQUIRED IF BODY IS NOT OF GENERAL MOTORS MANUFACTURE PLACE ORDERS DIRECT WITH THE MANUFACTURER YIHOSE NAME APPEARS ON THE BODY NAME LABEL I Q I 1990 GENERAL MOTORS SERVICE PARTS OPERATIONS LTTRUCK 52R T REV 9 90 s