When to reinstall the timing chain on a water pump?
If you exceed 20º with the tensioner slacked, the chain could jump. When the new pump is installed, you will need to reinstall the tensioner. Turn the crankshaft pulley approximately 20° counterclockwise so that the timing chain on the timing chain tensioner side is loose, and then install the tensioner.
When to replace idler pulleys, tensioner and water pump?
Generally, the idler pulleys, tensioner and water pump should always be replaced when the timing belt is replaced. In most cases, the timing belt drives the water pump, so it is the right time to replace the water pump. It is also recommended by the manufacturer. WORD TO THE WISE.
Is it necessary to replace the tensioner with the timing belt?
If a new belt is over-tightened, it could fail prematurely, or even break. When that happens, the broken timing belt can also cause neighboring components to fail. Additionally, the timing belt’s teeth can develop stress cracks, or even detach. If the belt looks worn or damaged, it needs to be replaced.
Do you do timing belt and water pump at the same time?
The vast majority of the time, it makes complete maintenance and dollar sense to do the “whole enchilada” at the same time — the timing belt, water pump, tensioner and idler pulley (as equipped) — because if it’s time for one, the other units are usually not far behind. Check your owner’s manual for details.
Why do you need to change your timing belt and water pump?
This might be preceded by a ticking noise coming from the engine bay. In addition, the gasket separating the timing cover and engine block may fail over time, causing oil to leak out. It is technically possible to replace your car’s timing belt and water pump yourself.
What to look for when replacing timing chain?
When replacing the timing chain, it’s important that the accessory belt, tensioner, idler pulleys, and water pump are inspected as these components wear at a similar rate. These components are inexpensive when compared to labor costs.
What happens if the timing belt fails on a Porsche Cayman?
And if the timing belt fails, whether due to simple age, or the failure of a tension pulley or bearing, the water pump will likely fail along with it. Also, as with the Porsche Cayman’s RMS, the water pump isn’t easy to get at. In fact, ClickMechanic and NAPA explain, you can’t get at the water pump without first exposing the timing belt.
Why is my timing chain making a noise?
If the engine is equipped with a hydraulic timing chain tensioner, the noise may disappear or lessen as the engine oil warms up and the tensioner removes some of the slack. If the timing chain wear is great enough so the tensioner can no longer compensate for the slack, the noise may continue even after warming up.
Where is the timing chain on a boxer engine?
Since the 2000 model year, just about every flat-six boxer engine has timing chains. The water pump is attached to an idler sprocket of the left bank of the timing chain. To replace the water pump, both chains need to be removed. This pump has been known to go 200,000 miles or more.
What causes a chain driven water pump to fail?
Another reason why chain-driven water pumps fail is a worn or defective tensioner and guides. Most engines use oil pressure to actuate a tensioner that puts pressure on a guide. If the tensioner fails (typically due to a lack of oil changes), the chain will move around due to centrifugal force acting on the chain.
How long does it take to turn a Nissan water pump?
The VQ35-series of engines can be found in 2001-current Nissans and Infinitis. The pump is nestled in the engine block and is turned by the timing chain. Book time on this job can range from two to three hours depending on the model and layout. There are no shortcuts.
If you exceed 20º with the tensioner slacked, the chain could jump. When the new pump is installed, you will need to reinstall the tensioner. Turn the crankshaft pulley approximately 20° counterclockwise so that the timing chain on the timing chain tensioner side is loose, and then install the tensioner.
Since the 2000 model year, just about every flat-six boxer engine has timing chains. The water pump is attached to an idler sprocket of the left bank of the timing chain. To replace the water pump, both chains need to be removed. This pump has been known to go 200,000 miles or more.
Is the timing belt and water pump the same thing?
The latter is found externally, and drives many of the car’s accessories, like the alternator, power steering pump, and A/C pump. But, as NAPA explains, the timing belt sometimes pulls double-duty. Not only does it keep the crankshaft and camshaft (s) synced, it sometimes also drives the water pump. Why replace the water pump and timing belt?