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Old 11-19-2019, 10:26 AM
v8volvo v8volvo is offline
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Join Date: Jun 2009
Location: Montana, USA
Vehicle: '86 745, '83 764
Posts: 1,622
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Quote:
Originally Posted by ngoma View Post
Was it always easy to start, at the time it was parked?

If so, you will likely have an easy time of it, as nothing much will have changed over the 3 years.
+1 on the above. Seen these cars sit for years then start back up on a flick of the key. A case that doesn't want to start after long sitting can occur but is the exception rather than the rule. Assuming no loss of fuel prime from old injection pump seals or injector return hoses, and no electrical damage from vermin as mentioned earlier, it will probably start up as easily as the last time you drove it.

You might want to try to get the engine oil circulating before letting it start the first time. You can remove the glow plug and injection pump power fuse (fuse #13 in the interior fusebox ahead of the shift lever on 1985 and up cars, might be different on earlier ones) to disable the engine from starting, and with the fuse removed, crank the engine over on the starter for a few stretches of 30-40 seconds to get the oil pump primed and build some pressure throughout the engine before letting it run on its own. The cam bearings and turbo bearing in particular will have a hard time with a dry start after so much time sitting. Then when you put the fuse back in it should fire right up assuming everything else is working.

You might want to plan on changing the engine oil after it gets warmed up for the first time too, the old oil will have absorbed significant water from condensation over the last 3 years of seasonal weather changes and oxidation occurs over time also.

The timing belt(s) will be an important question after sitting for years. The rubber deteriorates and the belts aren't really worth trusting more than 7-8 years or so. Unless the belts were changed fairly recently before the car was parked, they may be due or overdue now. Might want to pop the cover off and inspect at least the front timing belt for obvious cracks or brittleness moving the belt by hand before cranking the engine. If it looks and feels pretty good it will probably be safe enough to start it and move it a short distance, but new timing belts would probably want to be high on your list of items to refresh if you do more work on it later. There have been quite a few members here who bought these cars after they sat a long time and then had the belt snap and trash the engine shortly after they put the car on the road.

And last thing, the area that in my experience seems to suffer the most from sitting dormant is the hydraulics of the brake system. Full fluid flush would probably be a good idea, and even with that done, you might end up with a few sticky calipers, might have to replace a few. Good to keep an eye out for this and hopefully find any issues before they strand the car or wear down a pad and chew up an otherwise OK rotor.

Glad you're getting it going again, good luck and let us know how it goes.
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86 745 D24T/ZF 345k lifted 2.5"
83 764 D24T/M46 155k
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