I picked up a 1985 GMC C1500 305 engine 77xxx miles on it. It has a bit
of a starting problem. If the truck sits more than 10 hours it takes a
while to start. The longer it sits the longer it takes to start. It start
cranks the engine fine. When it does start it runs great. I am guess that
the fuel is draining out of the bowl somehow. I can not smell and fuel in
the engine compartment. Is it possible for it to drain back to the tank?
How might I start with this? The engine sometime desils on when I shut it
off ( once a week maybe) .
Onto the brakes. It has been pulling to the drivers side when brakes are
applied. So the first thing to go after would be the passenger side
caliper. The sticker in the glove box say that it has a "1J55" power brake
system. The stores around town never heard of it. Service manual says I
should be a JB3, JB5, Jb6, or JB7. Ends up the calipers match up to the 3/4
ton 4 wheel drive version. After putting on the caliper, bleeding the
system. I check it out and the problem is still there, but not as bad.
Well after carefully paying atention I fine that as the brakes are first
applied it pulls to the driver side. As I continue to brake it stops
pulling. Then as I start to release the brak it pulls back to the passenger
side, but not as strongly.
One person told me that the brake hose on the passenger side must have
develped a flap in it and restricts the movment of the brake fluid. Sounds
like its possible. The hose has no sign of were on the outside, and might
be a pain to get at the connection to the hard line. Its on the engine side
of the frame rail, with 20 years of dirt and dust.
Should I go after the hose or might it be something else?