Anti-diesel valve

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Categories: Fuel System | Hitachi 306 Carburetor

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Revision as of 01:06, 8 August 2015 ddgonzal (Talk | contribs) (->Overview) <- Previous diff		Current revision ddgonzal (Talk | contribs)
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-	Starting with 1973 USA models, the anti-dieseling valve was added. This is an idle-circuit cutoff solenoid also known as ''idle stop solenoid''. As soon as the key is turned off, the engine dies. It has little to no effect above the idle range -- if the engine is above 1500 RPM it will still keep running.	+	Starting with some 1973 models, the anti-dieseling valve was added. This is an idle-circuit cutoff solenoid also known as '''idle stop solenoid'''. As soon as the key is turned off, the engine dies.<blockquote>NOTE: This solenoid only works at idle. It has little to no effect above the idle range &mdash; if the engine is above 1500 RPM it will still keep running.</blockquote>
	= Overview =		= Overview =
	Anti-Diesel solenoid valve comes on some 1973 and newer carbs.		Anti-Diesel solenoid valve comes on some 1973 and newer carbs.
		+	1973 JAPAN Datsun B210
	1973 USA Datsun 1200		1973 USA Datsun 1200
		+	1981 AUS Datsun 1200
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=1006 http://datsun1200.com/modules/myalbum/photos/1006.jpg]	+	{{Album|1006}}
		+
		+	= Fitting to Older Cars =
		+	If you fit a newer carburetor to an older 1200, or buy a new carburetor that has a anti-diesel solenoid, how do you make it work?
		+
		+	Just connect the wire to the + side of the ballast resistor. That way it gets 12V when the ignition is on, and the solenoid will cut the fuel flow when the ignition key is turned off.
	= Wiring =		= Wiring =
-	* Yellow wire - fuel cut solenoid To general IG circuit (hot when key is Run or Start)	+	The wire may be red, yellow or black. The earliest units used a yellow wire
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=15572 http://datsun1200.com/modules/myalbum/photos/15572.jpg]	+	* Wire of fuel cut solenoid To general IG circuit (hot when key is Run or Start)
		+
		+	{{Album|15572}}
	= Troubleshooting =		= Troubleshooting =
	* Turn the key to IGN, engine OFF. Then unplug the connector at the valve (under the engine). Does the Anti-disel valve have 12V at the wiring connector?		* Turn the key to IGN, engine OFF. Then unplug the connector at the valve (under the engine). Does the Anti-disel valve have 12V at the wiring connector?
-	*: [http://datsun1200.com/modules/myalbum/photo.php?lid=1006 http://datsun1200.com/modules/myalbum/photos/thumbs/1006.jpg]	+	*: {{Album|1006}}
	*: test to see if you have power at the plug that the solenoid connects to		*: test to see if you have power at the plug that the solenoid connects to
Line 24:		Line 33:
	= Bypassing the Anti-Diesel Valve =		= Bypassing the Anti-Diesel Valve =
-	Unscrew the solenoid from the carburetor and take out the 'pin' in the middle. Then re-install the solenoid. Start engine to see if all is well.	+	Unscrew the solenoid from the carburetor and pull the plunger/pin out of the solenoid. Then re-install the solenoid. Start engine to see if all is well.
-	It will no longer 'cut' the engine immediately, but otherwise the engine will run well with this pin removed.	+	{{UploadPost|174_634c6a75012b1.jpg|497212}}
		+
		+	It will no longer 'cut' the engine immediately when you turn the key off, but otherwise the engine will run well with this pin removed. The downside to removing the pin is that the engine may want to "run-on" (diesel) even after you've stopped the ignition. This especially happens if the curb idle is set a little too high or if low-quality petrol is used. If the engine wants to "run on" after you turn the key off, you can let the clutch out to stop the engine (keep your foot on the brake!).
		+
		+	Better yet, don't bypass it &mdash; instead, [[#Fitting_to_Older_Cars|#connect the wire]]
	= Part Numbers =		= Part Numbers =
-	USA B110 16916-H7010 ASSY-CUT,FUEL 0772-1072 [DCH306-4/DCH306-5] NLA	+	USA B110 {{Pn|DCH_Carburetor_Part_Numbers|16916-H7010}} ASSY-CUT,FUEL 0772-1072 [DCH306-4/DCH306-5] NLA
-	USA B110 16916-H7011 VALVE-ANTI DIESELING SOLENOID 1172- NLA	+	USA B110 {{Pn|DCH_Carburetor_Part_Numbers|16916-H7011}} VALVE-ANTI DIESELING SOLENOID 1172- NLA
		+	JDM B120 {{SearchPart|16196-H7200}} 7510-8504
		+	JDM B120 {{SearchPart|16196-G1900}} 8504-8910
		+	JDM B120 {{SearchPart|16196-95W00}} 8910- ([[FICD]])
		+
	JDM B210 16916-H5002 VALVE-anti-dieseling solenoid [DCH306-2]		JDM B210 16916-H5002 VALVE-anti-dieseling solenoid [DCH306-2]
-	USA B210 16916-H5002 1974	+	USA B210 {{SearchPart|16916-H5002}} 1974
-	USA B210 16916-H7200 1975-1978 except GFU	+	USA B210 {{SearchPart|16916-H7200}} 1975-1978 except GFU
-	USA B210 16916-H7280 1976-1978 GFU (5-speed)	+	USA B210 {{SearchPart|16916-H7280}} 1976-1978 GFU (5-speed)
	Aftermarket Anti-Diesel valve		Aftermarket Anti-Diesel valve
-	TOMCO 8134 $36	+	{{search|TOMCO+8134|TOMCO 8134}} $36
	* Chevy Luv Truck 1975-1980		* Chevy Luv Truck 1975-1980
	* Ford Courier Truck 1979-1980		* Ford Courier Truck 1979-1980
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	== B310 USA ==		== B310 USA ==
	Single-wire type (CAN & early USA)		Single-wire type (CAN & early USA)
-	* 16196-H7200 VALVE-ANTI DIESELING SOLENOID $75 USD	+	* {{SearchPart|16196-H7200}} VALVE-ANTI DIESELING SOLENOID $75 USD
-	[http://datsun1200.com/modules/myalbum/photo.php?lid=24347 http://datsun1200.com/uploads/thumbs/24348.jpg]	+	{{Album|24348}}
	Double-wire type (KFU & late USA & A12.USA). One wire is grounded.		Double-wire type (KFU & late USA & A12.USA). One wire is grounded.
-	* 16196-H9970 $66 USD superceded 16196-H7280	+	* {{SearchPart|16196-H9970}} $66 USD superceded 16196-H7280
	** Also Fits		** Also Fits
	** N10 USA 1980-1982 CAL IACV-FICD SOLENOID VALVE A14/A15/E15		** N10 USA 1980-1982 CAL IACV-FICD SOLENOID VALVE A14/A15/E15
	** N10 USA 1981 FED IACV-FICD SOLENOID VALVE A15		** N10 USA 1981 FED IACV-FICD SOLENOID VALVE A15
	* Borg Warner ECS512 Idle Stop Solenoid		* Borg Warner ECS512 Idle Stop Solenoid
		+	{{Album|24347}}
	[[DCH306]] carburetor (1979-1980)		[[DCH306]] carburetor (1979-1980)
	16196-H7200 VALVE-ANTI DIESELING SOLENOID A14.USA, A15.USA.AUTO, CAN		16196-H7200 VALVE-ANTI DIESELING SOLENOID A14.USA, A15.USA.AUTO, CAN
-	16196-H7280 ANTI-DIESELING SOLENOID VALVE A15.FED.MANUAL, A14.KFU, A12.USA	+	{{SearchPart|16196-H7280}} ANTI-DIESELING SOLENOID VALVE A15.FED.MANUAL, A14.KFU, A12.USA
	[[DCR306]] carburetor (1981-1982)		[[DCR306]] carburetor (1981-1982)
Line 67:		Line 85:
	16196-H7280 ANTI-DIESELING VALVE USA		16196-H7280 ANTI-DIESELING VALVE USA
-	[[Category:Fuel System]] [[Category:Hitachi 306 Carburetor]]	+	[[Category:Fuel System]] [[Category:Hitachi 306 Carburetor]]{{End}}

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Current revision

Starting with some 1973 models, the anti-dieseling valve was added. This is an idle-circuit cutoff solenoid also known as idle stop solenoid. As soon as the key is turned off, the engine dies.

NOTE: This solenoid only works at idle. It has little to no effect above the idle range — if the engine is above 1500 RPM it will still keep running.

Contents 1 Overview 2 Fitting to Older Cars 3 Wiring 4 Troubleshooting 5 Bypassing the Anti-Diesel Valve 6 Part Numbers 6.1 B310 USA

Overview

Anti-Diesel solenoid valve comes on some 1973 and newer carbs.

1973 JAPAN Datsun B210
1973 USA Datsun 1200
1981 AUS Datsun 1200

Album 1006

Fitting to Older Cars

If you fit a newer carburetor to an older 1200, or buy a new carburetor that has a anti-diesel solenoid, how do you make it work?

Just connect the wire to the + side of the ballast resistor. That way it gets 12V when the ignition is on, and the solenoid will cut the fuel flow when the ignition key is turned off.

Wiring

The wire may be red, yellow or black. The earliest units used a yellow wire

• Wire of fuel cut solenoid To general IG circuit (hot when key is Run or Start)

Album 15572

Troubleshooting

• Turn the key to IGN, engine OFF. Then unplug the connector at the valve (under the engine). Does the Anti-disel valve have 12V at the wiring connector?

  Album 1006

  test to see if you have power at the plug that the solenoid connects to

No: Check your fuses...trace the wires and see why it's not getting power

Yes: Have someone turn the ignition on & off while you listen carefully to hear the 'click' as it is turned on.

• No click? Bypass the valve (as below). If this allows the engine to idle correctly, then repair the wiring or replace the solenoid with a working one.

Bypassing the Anti-Diesel Valve

Unscrew the solenoid from the carburetor and pull the plunger/pin out of the solenoid. Then re-install the solenoid. Start engine to see if all is well.

Post 497212

It will no longer 'cut' the engine immediately when you turn the key off, but otherwise the engine will run well with this pin removed. The downside to removing the pin is that the engine may want to "run-on" (diesel) even after you've stopped the ignition. This especially happens if the curb idle is set a little too high or if low-quality petrol is used. If the engine wants to "run on" after you turn the key off, you can let the clutch out to stop the engine (keep your foot on the brake!).

Better yet, don't bypass it — instead, #connect the wire

Part Numbers

USA B110 16916-H7010 ASSY-CUT,FUEL 0772-1072 [DCH306-4/DCH306-5] NLA
USA B110 16916-H7011 VALVE-ANTI DIESELING SOLENOID 1172- NLA
JDM B120 16196-H7200ᴳ 7510-8504
JDM B120 16196-G1900ᴳ 8504-8910
JDM B120 16196-95W00ᴳ 8910- (FICD)

JDM B210 16916-H5002 VALVE-anti-dieseling solenoid [DCH306-2]
USA B210 16916-H5002ᴳ 1974
USA B210 16916-H7200ᴳ 1975-1978 except GFU 
USA B210 16916-H7280ᴳ 1976-1978 GFU (5-speed)

Aftermarket Anti-Diesel valve
TOMCO 8134ᴳ $36
* Chevy Luv Truck 1975-1980
* Ford Courier Truck 1979-1980
* Honda 1973-1976
* Mazda 1975-1978
* Datsun 1973-1983
* Subaru 1974-1980

NOTE: DCH306 valve differs from DCH340

B310 USA

Single-wire type (CAN & early USA)
* 16196-H7200ᴳ VALVE-ANTI DIESELING SOLENOID $75 USD
  Album 24348

Double-wire type (KFU & late USA & A12.USA). One wire is grounded.
* 16196-H9970ᴳ $66 USD superceded 16196-H7280
** Also Fits
** N10 USA 1980-1982 CAL IACV-FICD SOLENOID VALVE A14/A15/E15
** N10 USA 1981 FED IACV-FICD SOLENOID VALVE A15
* Borg Warner ECS512 Idle Stop Solenoid
  Album 24347

DCH306 carburetor (1979-1980)
16196-H7200 VALVE-ANTI DIESELING SOLENOID A14.USA, A15.USA.AUTO, CAN 
16196-H7280ᴳ ANTI-DIESELING SOLENOID VALVE A15.FED.MANUAL, A14.KFU, A12.USA 

DCR306 carburetor (1981-1982) 
16196-H7200 A.D.S.VALVE CAN
16196-H7280 ANTI-DIESELING VALVE USA 

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