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Wastegate Control Solenoid

This category on the website [ Solenoids Modules and Wiring ] we are giving you all of the information related to the individual parts in the Buick Turbo Regal, along with the associated wiring, connector plugs, etc.

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VEHICLE APPLICATION:

Buick Regal, T-Type, Turbo T, Limited, Grand National, GNX

SOLENOID NAME:

Wastegate Control Solenoid

PURPOSE OF SOLENOID:

The pulse action of the solenoid is to limit boost at a calculated amount (determined by the computer).
The wastegate solenoid closes when engine knock is detected. It is pulsed more when third gear is detected to help control the boost creep.
Under certain conditions, it will also regulate the movement of the wastegate actuator.

TURNS ON-OFF / FUNCTIONS / USED WHEN:

constantly monitoring while engine is running.
ECM (or chip) determines when to use this.

LOCATION IN VEHICLE:

passenger side of car, attached to valve cover (1986-1987)
rear of engine (1984-1985)

ORIGINAL GM PART NUMBER:

1997157 or Delco 214-609 for 1986-87 (solenoid)
1997687 or Delco 214-611 for 1984-85 (solenoid)

801528 (filter)

SOLENOID BASE COLOR:

black

CONNECTOR PLUG COLOR (SOLENOID SIDE):

black

WIRES ATTACHED (SOLENOID SIDE):

no wires, but has 2 vacuum tubes on it (1 in, 1 out)

CONNECTOR PLUG COLOR (HARNESS SIDE):

red

NUMBER OF WIRES ATTACHED (HARNESS SIDE):

2

COLOR & PURPOSE OF (HARNESS SIDE) WIRES:

pink-black “B”, goes to ECM/SOL fuse
(connects to brake switch)
(junction, connects with other things)

purple-white “A”, goes to ECM (“D3” waste gate control)

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OTHER NOTES:

[SEE wastegate solenoid vacuum routing here]

[see wastegate boost controller vacuum line plumbing here]

many Regals have this stock unit disconnected or removed, and replaced with an aftermarket boost controller of some type

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PHOTOS OF SOLENOID AND CONNECTED WIRES:
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84-85 ecm iac tcc wg aldl evrv ac brake sw

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Here’s a list of all of the Solenoids Modules and Servos Valves in the Buick Regal:
(click the links to go to the one you need info about)

* Canister Purge Solenoid (Fuel Vapor Canister Purge)
* Chime Module (Chime Alarm)
* Cruise Control Module
* Cruise Control Servo
* EGR Valve
* ESC Module
* Exhaust Gas Recirculation Vacuum Regulator Valve Solenoid (EGR EVRV)
* Heater Flow Water Control Valve
* HVAC Control Vacuum Valve (mode control valve)
* Idle Air Control Valve (IAC)
* PCV Valve (Positive Crankcase Ventilation)
* Proportioning Valve (Prop Valve)
* Starter Solenoid
* Theft Deterrent Controller Module (anti-theft system)
* Torque Converter Clutch Solenoid (TCC)
* Trunk Release Solenoid
* Vacuum Check Valves
* Wastegate Control Solenoid

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