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.
1987 Volkswagen Vanagon Base, AWDFACTORY OEM SERVICE PROCEDURE
Delivery Rate
- Disconnect and plug fuel return line at pressure regulator. Attach hose to return line fitting and place other end in measuring container.
- Disconnect fuel pump relay. Connect jumper wire between terminals No. 30 and 87 of relay harness connector for 30 seconds. Minimum delivery rate should be 16.9 ozs. (.5L) for 30 second period.
Factory Service Tools
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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.