The 87 doesn't have a check valve, it has a dual function reservoir. I would think your in tank pump isn't doing its job. You can pull the pressure line off the reservoir, grd the test plug turn the key on to activate, make sure the in tank is pumping, (into a bucket) if not, check power and...
If your happy with it and didn't break the bank over it... It's a good day. If you not happy about it, fight the good fight.I'm gonna take a chance and go against the grain here.To me it sounded like they did alot of work for not to much money.Most with mechanical aptitude could do the...
To check the cable, raise the rear wheels off the pavement, be sure to block the front before so it doesn't roll. Pull out the speedo, disconnect the cable, start the truck, put it in gear and see if the cable turns. If it does the problem is in the speedo. If not, disconnect the cable at the...