Alfa romeo 159 1.9 jtd user manual

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These cookies will be stored in your browser only with your consent. Maybe , miles. The saving grace of the 1. The second symptom of a stretched timing chain is noise. Use a good quality synthetic oil and replace it every 10, miles or yearly, whichever comes first.

Replace the oil feed nozzle with the updated one when you replace the timing chains. The 3. There is one thing that potentially affects many of these cars, and it is premature timing chain wear.

There are three timing chains in this engine and there have been cases of these chains stretching, which affects camshaft timing. Typically, premature chain wear comes from poor lubrication, design flaws or material issues.

What I do know for sure is that the timing chain system in this engine is complex — much more so than in a 4-cylinder engine. I believe the 3. The timing chain wear symptoms in a second-hand Alfa Romeo 3.

Buying a high-mileage Alfa Romeo 3. If anything goes wrong with the complex timing chain system, you may be left with a huge bill. Timing chain issues in the 3. As a precaution to reduce chain wear , I recommend replacing the engine oil sooner than every 18, or 21, miles, which is what Alfa Romeo used to recommend for the 3.

If you are looking to buy a car with the 3. At least the chains are at the front of the engine, away from the gearbox. According to the manufacturer, the timing belt in this engine needs to be replaced every 72, miles or 5 years, whichever comes first.

In my opinion, this is too optimistic. I recommend getting it replaced not later than 60, miles. The water pump must be replaced at the same time as the timing belt, otherwise, it can seize and cause the timing belt to snap.

The water pump in the 2. This does not apply to the 1. Failure mode: the main cause of flap failure is increased friction in the flap mechanism from the carbon build-up in the intake manifold. The metal swirl flaps often keep working without any indication of a problem until the spot welds give up and a flap gets detached.

It can then enter the engine causing severe damage. An ingested flap can take out valves, a piston, damage the cylinder walls and even the turbocharger. Failure mode: the flap bearings can wear out from increased friction when the carbon build-up in the intake manifold becomes severe. Once the bearings are worn, they may develop an air leak, allowing the boost pressure to escape. Also, the flaps can simply get stuck before the bearings wear out.

On one hand, the metal swirl flaps are stronger and can handle a bit more carbon build-up, on the other hand, they will make you cry if they fail. Clean the intake manifold and put it back on the car if the flaps are in good condition.

You will be surprised how dirty they get. This is a safer option than just cleaning the manifold, albeit a more expensive one. Get rid of the flaps and plug the holes left in the manifold.

You can buy a swirl flap delete kit or get the holes welded up as the swirl flap housing is made out of aluminium. This is a permanent fix , albeit an illegal one in most countries. The swirl flaps are not essential for the engine to run — they are there to improve emissions and removing them has virtually no impact on engine performance. As for the plastic swirl flaps , they rarely fall off. They can, however, get stuck or develop air leaks.

Just like with the metal ones, a new intake manifold is required to fix broken swirl flaps, however, swirl flap removal kits also exist. The valve JTDm engine has an appetite for drive shafts. Look out for vibration when accelerating. It may be more noticeable in high gears at speeds above 50 mph. Also, take the car to a parking lot or some other place where there is enough room to manoeuvre.

Open both front windows, turn the steering wheel all the way to one direction, then do a circle. Listen for any noises coming from the CV joints.

Fun fact: the Brera and the front bumpers can be swapped. The suspension in the Alfa Romeo is more durable than it was in the previous generation of Alfa Romeo cars such as the model. Read more ». Posted by vstar. Share to Twitter Share to Facebook. Alfa Romeo - - Guidelines for repair and maintenance. Subscribe to: Posts Atom. Total Pageviews. They include wiring diagram