Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC1986VALUE VAN P2500, 5.7 M, AUTOMATIC, 475/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEVACUUM DIAGRAMSVACUUM HOSE DIAGRAM(S)
1986 GMC Value Van P2500, 5.7 M, Automatic, 475/M40
Vacuum Hose Diagram(S)
1986 GMC Value Van P2500, 5.7 M, Automatic, 475/M40SECTION Vacuum Hose Diagram(S)
VACUUM DIAGRAM REFERENCE CHART
| Vehicle Model, Series & Engine | Specification | ||
|---|---|---|---|
| 2.8L V6 | |||
| S10/15 | |||
| Application | Fed. | ||
| Transmission | Man. | ||
| Fig. No. | 1 | ||
| S10/15 & T10/15 | |||
| Application | Fed. & High Alt. | ||
| Transmission | All | ||
| Fig. No. | 1 | ||
| S10/15 | |||
| Application | High Alt. | ||
| Transmission | Man. | ||
| Fig. No. | 1 | ||
| S10/15 | |||
| Application | Fed. & High Alt. | ||
| Transmission | Auto. | ||
| Fig. No. | 1 | ||
| S10/15 & T10/15 | |||
| Application | Calif. | ||
| Transmission | All. | ||
| Fig. No. | 1 | ||
| S10/15 | |||
| Application | Calif. | ||
| Transmission | Auto. | ||
| Fig. No. | 1 | ||
| 4.3L V6 | |||
| Astro/Safari | |||
| Application | Calif. | ||
| Transmission | All. | ||
| Fig. No. | 2 | ||
| C10/20 & K10 | |||
| Application | Fed. & High Alt. | ||
| Transmission | Auto. | ||
| Fig. No. | 3 | ||
| G10/20/30 | |||
| Application | Fed. & High Alt. | ||
| Transmission | Auto. | ||
| Fig. No. | 4 | ||
| C10 | |||
| Application | Fed. | ||
| Transmission | Fed & High Alt. | ||
| Fig. No. | 5 | ||
| C10/20 & K10 | |||
| Application | Fed. & Hi. Alt. | ||
| Transmission | Man. | ||
| Fig. No. | 6 | ||
| G10/20 | |||
| Application | Fed & High Alt | ||
| Transmission | Auto. | ||
| Fig. No. | 7 | ||
| G10/20/30 | |||
| Application | Fed. & Hi. Alt. | ||
| Transmission | Man. | ||
| Fig. No. | 8 | ||
| C10 & K10 | |||
| Application | Calif. | ||
| Transmission | All | ||
| Fig. No. | 9 | ||
| G10/20 | |||
| Application | Calif. | ||
| Transmission | All | ||
| Fig. No. | 10 | ||
| 4.8L 6-Cylinder Heavy Duty | |||
| C20/30, K20/30 & P20/30 | |||
| Application | Fed. | ||
| Transmission | All | ||
| Fig. No. | 11 | ||
| 5.0L & 5.7L V8 | |||
| C10 | |||
| Application | Fed. | ||
| Transmission | Auto. | ||
| Fig. No. | 12 | ||
| C10/20 & K10 | |||
| Application | Fed. | ||
| Transmission | Auto. | ||
| Fig. No. | 13 | ||
| G10/20 | |||
| Application | Fed. | ||
| Transmission | Auto. | ||
| Fig. No. | 14 | ||
| C10/20 & K10 | |||
| Application | High Alt. | ||
| Transmission | Auto. | ||
| Fig. No. | 15 | ||
| G10/20 | |||
| Application | Fed. & High Alt. | ||
| Transmission | Auto. | ||
| Fig. No. | 16 | ||
| K10 | |||
| Application | Fed. | ||
| Transmission | Man. | ||
| Fig. No. | 17 | ||
| K10 | |||
| Application | High Alt. | ||
| Transmission | Auto. | ||
| Fig. No. | 18 | ||
| C10/20 & K10/20 | |||
| Application | Fed. & Hi. Alt. | ||
| Transmission | Man. | ||
| Fig. No. | 19 | ||
| G10/20 | |||
| Application | Fed. & Hi. Alt. | ||
| Transmission | Man. | ||
| Fig. No. | 20 | ||
| C10 | |||
| Application | Fed. | ||
| Transmission | Man. | ||
| Fig. No. | 21 | ||
| C10 & K10/20 | |||
| Application | Fed. | ||
| Transmission | Man. | ||
| Fig. No. | 22 | ||
| C10 & K10/20 | |||
| Application | Fed. | ||
| Transmission | Auto. | ||
| Fig. No. | 23 | ||
| G10/20/30 | |||
| Application | Fed. | ||
| Transmission | Auto. | ||
| Fig. No. | 24 | ||
| C10 & K10/20 | |||
| Application | Hi. Alt. | ||
| Transmission | Auto. | ||
| Fig. No. | 25 | ||
| C10/20 & K10 | |||
| Application | Calif | ||
| Transmission | Auto. | ||
| Fig. No. | 26 | ||
| G10/20/30 | |||
| Application | Calif. | ||
| Transmission | Auto. | ||
| Fig. No. | 27 | ||
| 5.7L V8 Heavy Duty | |||
| C20/30 & K20/30 | |||
| Application | Fed. | ||
| Transmission | All | ||
| Fig. No. | 28 | ||
| C20 & K20 | |||
| Application | Fed. | ||
| Transmission | Auto. | ||
| Fig. No. | 29 | ||
| G30 | |||
| Application | Fed. | ||
| Transmission | Auto. | ||
| Fig. No. | 30 | ||
| G30 | |||
| Application | Fed. | ||
| Transmission | Auto. | ||
| Fig. No. | 31 | ||
| P20/30 | |||
| Application | Fed. | ||
| Transmission | All | ||
| Fig. No. | 32 | ||
| C20/30, K20/30 & P30 | |||
| Application | Calif. | ||
| Transmission | All | ||
| Fig. No. | 33 | ||
| P30 | |||
| Application | Calif. | ||
| Transmission | Man. | ||
| Fig. No. | 34 | ||
| C20 & K20 | |||
| Application | Calif. | ||
| Transmission | Auto. | ||
| Fig. No. | 35 | ||
| G30 | |||
| Application | Calif. | ||
| Transmission | Auto. | ||
| Fig. No. | 36 | ||
| G30 | |||
| Application | Calif. | ||
| Transmission | Auto. | ||
| Fig. No. | 37 | ||
| 6.2L V8 Diesel | |||
| C10/20 & K10/20 | |||
| Application | Fed. | ||
| Transmission | All | ||
| Fig. No. | 38 | ||
| G20 | |||
| Application | Fed. & High Alt. | ||
| Transmission | All | ||
| Fig. No. | 39 | ||
| C10/20 & K10/20 | |||
| Application | Fed. & High Alt. | ||
| Transmission | All | ||
| Fig. No. | 40 | ||
| C10/20 & K10 | |||
| Application | Calif. | ||
| Transmission | All | ||
| Fig. No. | 41 | ||
| G20 | |||
| Application | Calif. | ||
| Transmission | All | ||
| Fig. No. | 42 | ||
| 7.4L V8 Heavy Duty | |||
| C20/30, K30 & P30 | |||
| Application | Fed. | ||
| Transmission | All | ||
| Fig. No. | 43 | ||
| P30 | |||
| Application | Fed. | ||
| Transmission | All | ||
| Fig. No. | 44 | ||
| C20/30 & K30 | |||
| Application | Calif. | ||
| Transmission | All | ||
| Fig. No. | 45 | ||
| P30 | |||
| Application | Calif. | ||
| Transmission | All | ||
| Fig. No. | 46 | ||
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.