Suburban 3/4 Ton 4WD V8-305 5.0L (1986)
Idle Speed Control Motor: Mechanical Specifications
ISC PLUNGER ADJUSTMENT CHART
Identification
Plunger Length
Plunger Length
Letter
Dimension "A"
Dimension "B"
None
14.1 mm (9/16")
5.6 mm (7/32")
None
16.3 mm (41/64")
8.0 mm (5/16")
X
18.5 mm (47/64")
10.0 mm (25/6'4")
A
19.3 mm (49/64")
10.8 mm (27/64")
Y
20.5 mm (51/64")
12.0 mm (15/32")
S
21.2 mm (27/32")
12.7 mm (1/2")
Z
22.5 mm (7/8")
14.0 mm (35/64")
G
23.2 mm (29/32")
14.7 mm (37/64")
E
25.6 mm (1LL)
17.1 mm (43/64")
L
27.5 mm (1 -3/32")
19.0 mm (3/4")
J
30.0 mm (1-3/16")
21.5 mm (27/32")
N
32.0 mm (1-17/64")
23.5 mm (59/64")
T
34.0 mm (1-11/32")
25.5 mm (1")
