RAM 2500 Truck 4WD L6-5.9L DSL Turbo VIN 6 (1999)
4. Apply 15 - 20 inches vacuum at large end of check valve.
5. Vacuum should hold steady. If gauge on pump indicates vacuum loss, check valve is faulty and should be replaced.
4. Apply 15 - 20 inches vacuum at large end of check valve.
5. Vacuum should hold steady. If gauge on pump indicates vacuum loss, check valve is faulty and should be replaced.