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Common Volvo Problems
Check engine light on? Engine running rough? Here you will find some answers to the most frequently diagnosed Volvo problems brought into our Volvo repair shops. We do not recommend you assume that the answer here directly relates to your car. Accurate diagnosis of a problem typically saves you money. And, you should know that often third parties will misdiagnose a car for what appears to be similar problems or related diagnostic codes.
Rough Idle – No Misfires
Under certain circumstances, some Volvo vehicles can suffer from a rough idle with no misfires. the common cause of the roughness is weak motor mounts. This can also show up as a clunk when the vehicle is first put in to gear. The engine mount on the top of the engine is a very common failure, however, the lower mounts are more likely to cause the rough idle feel.
Check Engine Light – CAM Position
This can be a frustrating issue, especially if it occurs after the replacement of a timing belt! What appears to be a camshaft position sensor issue problem causing a check engine light, can often be a failure in the VVT unit. The VVT controls the position of the cam during acceleration and is prone to failure.
SRS Light on the Dashboard
Some Volvo vehicles suffer from persistent SRS failure indictors on the dashboard. It is very important to have this problem diagnosed as this is a critical safety system. However, in some cases this is a failure in the dashboard and not in the safety system itself.
"Richard and his team are excellent. I am always pleased with my services at Rennology."
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AC System Failure – Compressor
There are many reasons why an AC system can fail to cool effectively. On some Volvo vehicles, the AC compressor is fitted with an electro-mechanical clutch system which is prone to fail. This is often misdiagnosed as a failure in the whole compressor, when replacement of the clutch is a considerably cheaper solution.
Signs of a loose or inaccurate steering need to resolved as soon as possible. In some Volvo vehicles, the bottom connection between the steering column and the steering rack is prone to excessive wear. Initially, this can be mis-diagnosed as loose tie-rod ends but ends up being the replacement of the lower column connector.
Suspension Loose – Knocks Over Bumps
There can be a number of sources in the suspension components that produce knocks and noises when the vehicle goes over road bumps. However, many Volvo vehicles are prone to excessive wear in the rubber bushings in the suspension joints. Dry conditions or in our case dry, cold, salty conditions can speed the wear of the bushings rapidly.