GMC 4000 Series Service Manual page 128

U-BOLT NUTS
All 4000 S e r ie s ............................................................................................................................................................................................................135-150
PS4500 .......................................................................................................................................................................................................... 105-130
E-5500-6500 S eries, S6500 S e rie s............................................................................................................................................ 90-110 Lube Before Ass.
E-4500, S5500 S e r ie s .................................................................................................................................................................. 90-100 Lube Before Ass.
FRONT EYEBOLT-TO-BRACKET NUT
All 4000 S e rie s ............................................................................................................................................................................................................300-400
E4500, S5500 S e r ie s .................................................................................................................................................................................................. 250-300
E5500-6500 Series, S6500 S e rie s ............................................................................................................................................................................ 250-300
PS4500 .................................................................................................................................................................................................... .................... 320-420
REAR BRACKET-TO-FRAME BOLT NUTS
All 4000 S e rie s ................................................................................................................................................................................................................ 35-55
E4500, S5500 S e rie s ....................................................................................................................................................................................................... 35-55
E5500-6500 S eries, S6500 S e r ie s ................................................................................................................................................................................ 30-40
FRONT BRACKET-TO-FRAME BOLTS
All 4000 S e r ie s ................................................................................................................................................................................................................ 35-55
E4500, S5500 S e r ie s ....................................................................................................................................................................................................... 35-55
E5500-6500 Series, S6500 S e r ie s ................................................................................................................................................................................ 30-40
FRONT SPRING REAR REBOUND BOLT NUT
E4500, S5500 S e rie s .......................................................................................................................................................................................................70-80
E5500-6500 Series, S6500 S e r ie s ................................................................................................................................................................................ 70-80
PS4500.............................................................................................................................................................................................................................. 75-95
SHOCK ABSORBER BRACKET-TO-FRAME
All 4000 S e rie s ................................................................................................................................................................................................................ 40-50
G M C S E R V I C E M A N U A L
SPECIFICATIONS
TORQUE SPECIFICATIONS
IMPORTANT
U-bolts must be retightened to initial torque
listed in "Specifications" after 500 miles.
Sec. 3C
Page 121
FRONT SPRINGS
FT. LBS.