Question about 1983 Buick Riviera
My '63 Riviera has been setting up for awhile-I just installed new points and all it does is backfire through the carb....how does one set/check timing when it won't start? PS..my 9 year old grandson had left the ignition on -listening to the radio-and burned the points up....it started fine before this happened....that was last summer.....I might have some "old" gas in the tank-but it does fire...any help will be appreciated.....Doug in Texas
PS,,,I have everything but a timing light...I'm not a geek around these old cars- I'm 61 and can follow directions well---the year of product wouldn't let me go back to '63!
Check the pipe that is placed between the carb and exhaust manifold, if thhat is not properly in place, it can be the cause for the backfiring.
Check the distributor cap, if there is a crack or dirt that can give you troubles of this kind.
If the valves are set to tight when they get hot they can cause backfireing and lack of power.
If the ignition had been left on for a long time, you may need to replace the coil.
Posted on Sep 27, 2008
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Posted on Jan 02, 2017
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Your Buick Riviera's heater fan is powered by a blower motor, which in turn is powered by a blower motor resistor. The resistor is a small electrical component that also regulates the fan speeds of the blower motor. Like any part, the blower burns out from time to time and has to be replaced. Replacement blower motor resistors cost about $50. It will take you about 30 minutes to install a new one in your Buick Riviera.
Things You'll Need
Open the hood and disengage the negative battery cable on your Buick Riviera using your socket set. You will need a 10mm socket to loosen the battery cable bolt.
Remove the plastic trim panel under the glove compartment on the passenger side of your Riviera.
Loosen and remove the mounting screws that hold the blower resistor in place on your Riviera.
Unplug the wiring harness from the old blower resistor and then remove the resistor completely.
Plug the wiring harness into your Buick's new resistor. Also tighten the screws to hold the resistor in place.
Reattach the negative battery cable on your Riviera and tighten it with your socket set.
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