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08 xc90 3.2: how do I remove exhaust manifold shield?

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo XC90s. The XC90 proved to be very popular, and very good for Volvo's sales numbers, since its introduction in model year 2003 (North America).
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pgill
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Re: 08 xc90 3.2: how do I remove exhaust manifold shield?

Post by pgill »

For the misfire codes take a look at this link

Not an XC90 but the same engine

https://landroverforums.com/forum/lr2-3 ... 491/page5/

Have Fun

Paul
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ogatrulle
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Re: 08 xc90 3.2: how do I remove exhaust manifold shield?

Post by ogatrulle »

It's been over a month since I installed new ignition coils in all positions (except #4, which had been replaced two years ago). Despite numerous around-town and 30-minute freeway drives, P0420 has not reappeared, so I am declaring this problem fixed as a result of either new coils and/or new plugs.

I did a freeway run followed by long idling while monitoring the coolant temperature in VIDA. The temperature never exceeded 95C while idling, and on the freeway stayed around 88C. So I don't think I have a thermostat failure (yet).
2006 v70 2.5T; 2008 xc90 3.2
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pgill
Posts: 362
Joined: Mon Aug 27, 2018 5:42 pm
Year and Model: 2010 S80, 2008 LR2
Location: California
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Re: 08 xc90 3.2: how do I remove exhaust manifold shield?

Post by pgill »

Congratulations that is great news.

According to the 3.2 Repair Manual (Land Rover version) the Thermostat starts to open at 90 C and it is fully open at 100 C.

Based on the data you provided it looks like the Thermostat is working fine

Note: the ignition system will compensate for old spark plugs by increasing the energy sent thru the coils, to minimize this I replace my spark plugs every 50,000 miles. Because all new spark-plugs cost less than one coil. And the engine runs so smooth with brand new plugs.

Take care

Paul
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