Is the fuel pump timing chain simplex or simplex?

Is the fuel pump timing chain simplex or simplex?

The duplex camshaft timing chain is built for a 300,000 km service life. The fuel pump drive timing chain is simplex (single row) and is failing well before the camshaft timing chain. It is imperative that you know the status of your timing chain, When the chain brakes you have extensive internal damage to your engine.

What kind of timing chain does a Nissan Navara have?

This page explains the methods used to diagnose a timing chain fault in the Nissan Navara D40, D22 & Pathfinder R51 YD25 engine. All common rail YD25 engines from 2005 have duplex (double row) camshaft timing chains.

Is there a timing light on a fuel pump?

The fuel pumps that I have found in views of your engine have 4 independent pressure outlets and so it must be in time. There is actually a timing light to adjust injector timing on such systems.

What’s the life of a duplex camshaft timing chain?

The duplex camshaft timing chain is built for a 300,000 km service life. The fuel pump drive timing chain is simplex (single row) and is failing well before the camshaft timing chain.

How long does it take to install timing chain on Nissan Sentra?

Installation should be done within 5 minutes after applying liquid gasket. Do not fill the engine with oil for at least 30 minutes after the components are installed to allow the sealant to cure. Check that matching marks of timing chain and each sprocket are still aligned.

How to change the timing on a fuel injection pump?

Remove the fuel injection pump timing cover. Rotate the fuel injection pump driveshaft in the direction of pump rotation to align the timing line on the weight retainer hub with the line on the cam ring. Position the fuel injection driveshaft locking key plate in the locked position.

How to tighten oil pump sprocket on Nissan Sentra?

Hold the WAF part of oil pump shaft [WAF: 10 mm (0.39 in)] (A), and then tighten the oil pump shaft sprocket bolt. Secure the oil pump shaft with the WAF part. Do not loosen the oil pump shaft sprocket bolt by tightening the oil pump drive chain. Install oil pump chain tensioner (1).

How to reuse tensioner on CAM side of sprocket?

To reuse tensioner on the cam side: After installation, pick up and move ratchet clip toward the tip of the plunger and position the tensioner parallel to the groove of the plunger. Check matching mark position of timing chain and each sprocket again Install front oil seal. Refer to EM-70, “FRONT OIL SEAL : Removal and Installation”.