Copyright © 1996 General Motors Corp. 3–11
PREVENTIVE MAINTENANCE
PREVENTIVE MAINTENANCE
Table 3–4. Hold Regulator Pressure
rpm
Valve Body
Pressure
Spring No. Color Code psi kPa
2400 6836785 White 39–43 269–296
2600 6837952 Green 44–48 303–331
2600/3000 Hold 6836977 Orange 44–48 303–331
2700/2800 Hold 6837953 Blue 46–50 317–345
2800 6837953 Blue 46–50 317–345
2800/3200 Hold 6837952 Green 44–48 303–331
3000 6836976 White With Yellow Stripe 42–46 290–317
3200 6837952 Green 44–48 303–331
3400 6837953 Blue 46–50 317–345
3600 6836784 Yellow 36–40 248–276
3800 6836785 White 39–43 269–296
4000 6836785 White 39–43 269–296
Table 3–5. Modulator Pressure
Modulator Spring
Part Number
Color Code and
Modulator Valve Usage
Pressure
psi kPa
23012948 White with Orange Stripe
23013764 Modulator Valve
50–53 345–365
6880980 Solid Light Blue with Red Stripe
23013764 Modulator Valve
42–45 290–310
Table 3–6. Governor Pressure
Governor
Assemblies
Code Number 440
rpm
800
rpm
1500
rpm
2200
rpm
6881466 460 (Old Code 91) 7–10
(48–69)
21.5–24.5
(148–169)
38.0–42.5
(265–293)
55.5–63.0
(383–434)
6885570 461 (Old Code 54) 9–13
(62–90)
38–42
(262–290)
64.0–70.0
(441–483)
103–112
(710–772)
6885571 462 (Old Code 52) 8.5–11.5
(59–79)
27.5–30.5
(190–210)
54.5–61.0
(376–421)
82.6–91
(570–627)
To Next Page
Loading...
Need help?
General
