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Valve Adjustments and Injectors.
[Question:] How often do the valves need to be adjusted on the D24? Should the injectors just be replaced at some point or just run them until they fail?
[Answer:] According to the book you are supposed to check the valve clearance every 15k mi (25km.) Injectors should go at least 75kmiles before nozzle rebuild. They don't usually fail catastrophically. Usually you start getting smoke or excessive knocking. adding a bottle of Techron to the tank will often clean out some of the nozzle deposits and cut smoking and knock for a while. Bosch rebuilt injectors are a relatively inexpensive swap.
D24 Diesel Valve Clearance Procedure.
[Inquiry:] How do I set the valve clearance on the D24?
[Response: Dimitar/Rich]
Tools: You will need removal pliers for shim plates, a set of shim plates, and a valve lifter tool, the same tools and same procedure as for VW or any Audi diesel. [Ross Winberg] Get the Hazet tool 2574, a micrometer, a supply of VW diesel valve shims, and a shim extractor plier. See Special Tools for diagrams. Cool engine down completely: the clearance specifications are for a cold engine. Remove the rocker cover.
Using a 27mm socket, rotate the engine so that the Number 1 (front) cylinder is on TDC or top dead center (at this point both cam lobes for the No. 1 cylinder are pointing diagonally upwards and the mark on bellhousing is aligned to flywheel mark)
Measure valve clearance for that cylinder. "Checking" clearance specifications are 0.15mm-0.25mm intake valve, 0.35mm-0.45mm exhaust valve. If clearance is within these limits, then the valve is OK.
If too low obtain thinner valve shim plate and exchange the old one with that one. Do the reverse for too high a clearance. The shim plates are inserted "number side down". To adjust any clearances you must turn the engine a further quarter of a revolution from TDC to prevent the valves hitting the pistons.
Do this until the "setting" clearance is 0.20 +- 0.05 mm cold for intake and 0.40+-0.05mm for exhaust valves.
Rotate crankshaft for next firing cylinder adjustment (1,5,3,6,2,4 order).
Repeat procedure
Rotate engine twice and check everything again
Check clearances every 20,000 miles or so, although an absence of noise indicates clearances are probably within specifications.
Replace with new valve cover gasket.
Los ajustes y la válvula de Inyectores.
[Question:] How often do the valves need to be adjusted on the D24? [Pregunta:] ¿Con qué frecuencia las válvulas deben ser ajustadas en la D24? Should the injectors just be replaced at some point or just run them until they fail? En caso de que los inyectores sólo se sustituye en algún momento o simplemente correr hasta que no?
[Answer:] According to the book you are supposed to check the valve clearance every 15k mi (25km.) Injectors should go at least 75kmiles before nozzle rebuild. [Respuesta:] De acuerdo con el libro que se supone, para comprobar la limpieza de la válvula de cada 15k mi (25km.) Inyectores debe ir por lo menos antes de la boquilla 75kmiles reconstruir. They don't usually fail catastrophically. No suelen fallar catastróficamente. Usually you start getting smoke or excessive knocking. Por lo general, usted comienza a recibir el humo excesivo o golpes. adding a bottle of Techron to the tank will often clean out some of the nozzle deposits and cut smoking and knock for a while. la adición de una botella de Techron al tanque a menudo limpiar algunas de las boquillas de los depósitos y reducir el tabaquismo y llamo por un tiempo. Bosch rebuilt injectors are a relatively inexpensive swap. Bosch reconstruido inyectores son relativamente baratos de intercambio.
D24 Diesel Valve Clearance Procedure . D24 diesel Válvula de procedimiento de liquidación.
[Inquiry:] How do I set the valve clearance on the D24? [Consulta:] ¿Cómo puedo configurar la válvula de limpieza sobre la D24?
[Response: Dimitar/Rich] [Respuesta: Dimitar / Rico]
Tools: You will need removal pliers for shim plates, a set of shim plates, and a valve lifter tool, the same tools and same procedure as for VW or any Audi diesel. Herramientas: Usted necesitará eliminación alicates para shim platos, un conjunto de shim placas, y una válvula elevador herramienta, las mismas herramientas y el mismo procedimiento que para cualquier VW o Audi diesel. [Ross Winberg] Get the Hazet tool 2574, a micrometer, a supply of VW diesel valve shims, and a shim extractor plier. [Ross Winberg] Obtener el Hazet herramienta 2574, un micrómetro, un suministro de diesel VW cuñas de válvulas, y un extractor de Plier shim. See Special Tools for diagrams. Cool engine down completely: the clearance specifications are for a cold engine. Ver Herramientas Especiales para diagramas. Motor completamente fresco: la liquidación de las especificaciones de un motor frío. Remove the rocker cover. Quite la cubierta de balancín.
Using a 27mm socket, rotate the engine so that the Number 1 (front) cylinder is on TDC or top dead center (at this point both cam lobes for the No. 1 cylinder are pointing diagonally upwards and the mark on bellhousing is aligned to flywheel mark) El uso de un zócalo de 27 mm, gire el motor a fin de que el Número 1 (frontal) del cilindro está en punto muerto alto o TDC centro (en este punto ambos lóbulos de levas para el cilindro N º 1 se apunta en diagonal hacia arriba y hacia la marca en bellhousing se ha alineado con volante marca)
Measure valve clearance for that cylinder. Medida que la válvula de limpieza de cilindro. "Checking" clearance specifications are 0.15mm-0.25mm intake valve, 0.35mm-0.45mm exhaust valve. "Comprobación de" limpieza de las especificaciones de 0,15-la válvula de admisión 0,25, 0,35-0.45mm válvula de escape. If clearance is within these limits, then the valve is OK. Si la liquidación es dentro de estos límites, entonces la válvula está bien.
If too low obtain thinner valve shim plate and exchange the old one with that one. Si baja demasiado delgada obtener válvula shim placa y el intercambio con el viejo que uno. Do the reverse for too high a clearance. Hacer a la inversa demasiado alto para una liquidación. The shim plates are inserted "number side down". El shim placas se insertan "número hacia abajo". To adjust any clearances you must turn the engine a further quarter of a revolution from TDC to prevent the valves hitting the pistons. Para ajustar los espacios libres debe girar el motor de un cuarto de una revolución de TDC las válvulas para evitar golpear los pistones.
Do this until the "setting" clearance is 0.20 +- 0.05 mm cold for intake and 0.40+-0.05mm for exhaust valves. Haga esto hasta que el "ajuste" de liquidación es 0,20 + - 0,05 mm para el frío y la ingesta de 0,40 +-de 0,05 para las válvulas de escape.
Rotate crankshaft for next firing cylinder adjustment (1,5,3,6,2,4 order). Gire el cigüeñal para el próximo disparo del cilindro de ajuste (1,5,3,6,2,4 fin).
Repeat procedure Repita el procedimiento
Rotate engine twice and check everything again Girar el motor dos veces y comprobar todo lo nuevo
Check clearances every 20,000 miles or so, although an absence of noise indicates clearances are probably within specifications. Comprobar autorizaciones cada 20,000 millas o más, aunque la ausencia de ruido indica autorizaciones están probablemente dentro de las especificaciones.
Replace with new valve cover gasket. Reemplazar con una nueva junta de tapa de válvulas.
