Question about 1999 Pontiac Grand Am GT

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My 1997 grand prix 3.8 just put a new one in and had to switch some parts off and one of the vacuum sensors behind the plenum on passenger side in just slides on to a bracket and a connector hooks up to it as well as two vacuum lines i think im not sure what it is called and in cant find one anywhere..

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Its cannister purge solenoid go to auto get one have them clear you code

Posted on Sep 09, 2009

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The sensor your asking about should have a red electrical connector pligged into it. 2 vac. lines are also going too it. One vac. line goes to the manifold vac. port on the plenum. The other goes down underneath the car. This solinoid is called EVAP Purge Solinoid. You should be able too purchase it at your local parts house. If not go to a GM dealer with the Vin of your car and they will order it. Hope I helped you.

Posted on Sep 08, 2009

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Section 12-03A: Air Conditioning System—Manual A/C-Heater 1994 Crown Victoria/Grand Marquis. Workshop Manual
REMOVAL AND INSTALLATION Heater Core Removal
  1. Remove the heater air plenum chamber assembly as outlined.
  2. Heater Air Plenum Chamber Removal
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    1. Remove all instrument panel retaining screws and pull the instrument panel back as far as possible without disconnecting any wire harnesses.
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  1. Remove the four retaining screws from the heater core cover (18B300) and remove the heater core cover from the heater air plenum chamber assembly.

    Heater Core Removal


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    Item Part Number Description 1 390092-S2 Screw (2 Req'd) 2 18658 Heater Core Case Seal 3 18476 Heater Core 4 18570 Heater Dash Gasket 5 18471 Heater Air Plenum Chamber 6 18B300 Heater Core Cover
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Installation
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