Car won't crank

135

Asked by Jun 16, 2016 at 10:18 PM about the 1972 Chevrolet Impala

Question type: Maintenance & Repair

So I have a new mechanical fuel pump and
filter I put in my car yesterday, I drove
around town went to a store came back
outside after 30 mins car started with no
problem. So today the car started right up
with no problem 6 mins later it just
completely shut off. When I put the key in
the starter still turns over but the car still
won't crank, I put gas into the carburetor
and it started up fine then shut back off!
Took off the fuel line where the filter is
located on the carb and the line was
blowing fine when I had my friend turn the
key over. What could be wrong with it
because I have no idea?

6 Answers

20,585

float is sticking in carb fuel bowl tap on carb ,jar float loose

12,435

After 40+ years rebuild the Carburetor I know it's been done at least a couple times!

Best Answer
135

Ok I'll try it out

135

Can I use a hammer to tap on it and how hard? I used a ballpoint hammer but tapped lightly nothing happend

22,425

it could be that the mechanical pump is not working right- the drive in the engine may be worn- replace it with an aftermarket electric pump they are good, and cheap- and easy to install- mount it back by the fuel tank- a few new hoses- you may need to get a blocking plate where the mechanical pump mounts- if you want to remove it completely- problem solved

135

Auto centric I tapped the float bowl nothing happens am I supposed to tap it while have someone turns the key over? Or is there an alternate way?

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