Clearance adjustment is a camshaft removal job so a lot of work, think of cambelt service plus two more hours work and you'll be close on cost.
Clearances could easily need adjustment again after 40k miles.
From experience I always advise setting the clearances to the lower tolerance limit as once valve recession begins it continues at a faster pace, setting to smallest setting gives a greater service interval with no detriment - you are after all working within Citroen guidelines.
Look towards another vehicle ? Depends on the current state of repair of your existing one.
Van is in pretty good shape otherwise, had a few bearings done last year and the fuel pump replaced this year, gets serviced every 7000 miles on the dot, tyres are good, brake pads done 2 years ago, new exhaust 3 years ago.timing belt recently done too, maybe i should consider this job, hard to know, i do like the van.
No real reason not to then it seems as it is set up for many years to come.
Ask a local garage for a price and see where that takes you, it can be done DIY but takes time - I've done a few now.
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How long should one expect these vans to go on for ?
My 2003 has now completed 220k and still going strong just bought another to keep it company keep on top of it and they will last forever
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