V 3500 P/U 4WD V8-350 5.7L VIN K TBI (1988)
435611
Bolt 3/8"-
All
2
16 X 1.00
103321
Washer 3/8"flat
All
2
9414034
Nut 3/8"-16
All
2
180083
Bolt (T/Pipe Hgr)
R1,
2
5/16 X 18 X 1.5"
V1,
2
1
2
9439511
Washer (T/Pipe Hgr)
R1,
2
5/16 lock
V1,
2
1
2
9439493
Nut (T/Pipe Hgr)
R1,
2
5/16 X 18 X 1/4
V1,
2
6
9
9418918
Bolt (Conv Shld/
T/Pipe Hgr)
5/16
X 18 X 1"
All
(R Model) 5
(V Model) 8
11514363
Bolt
(Conv Shld)
M6 X
1 Self Tapping
All
1
456846
J-Nut
(Conv Brkt)
5/16 x 18
All
2
2436162
Washer (conv Shld)
5/16 Flat
All
2
Parts are currently available from GMSPO.
When making the above changes to the exhaust System, it is necessary to replace the muffler heat shield to maintain proper passenger Compartment
temperature. It is also necessary on V models to add a secondary T/Pipe hanger to maintain proper alignment. On all models it will also be necessary to
replace the tailpipe hanger.
Figure No. 1
Service Procedure
1.
Raise vehicle on hoist
2.
Remove muffler and tailpipe following procedures in section 6F - Engine Exhaust, of the appropriate year service manual.
3.
using an air chisel or a high speed cut off wheel, remove the original muffler heat shield flush with the floor pan, see Figure 1.