D 150 Pickup V8-360 5.9L VIN W (1987)
and passages in lower portion of carburetor must be cleaned. To clean hose and passages, proceed as follows:
a. Clean carburetor hose with a suitable solvent and dry with compressed air. Do not allow hoses to remain in solvent for more than 1/2 hour.
b. Remove carburetor and hand turn a 1/4 inch or smaller drill through the passages to dislodge any solid particles, then blow clean. It is not
necessary to disassemble the carburetor for this procedure.
5.
Clean the crankcase inlet air cleaner with a suitable solvent, then fill the filter with SAE 30 engine oil.
6.
Clean or replace the carburetor air cleaner.