Dirt Rally

Dirt Rally

50 Achievements

1,000

60-80h

Xbox One
Xbox Series
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Percolated

Percolated

Filled three of an Engineer's Perk Slots.

20

0.48%

How to unlock the Percolated achievement in Dirt Rally - Definitive Guide

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This Achievement is pretty self-explanatory; once you unlock 3 Perk Slots on an Engineer simply equip any Perk to each slot and the Achievement will pop immediately.

The more you drive with somebody as your Engineer, the more Perks you unlock. In order to unlock all 3 Perk Slots you need to drive for 1,000 miles (1,609 km). This will occur naturally as you complete more and more Career Championships.
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28 Apr 2016 09:08

6 Comments
I've also noticed the number (at least for the third perk) go back up - I think unclean racing i.e. needing the engineer for repairs might cause loss of progress/increase of requirements. I've seen the number go back up from ~300 KM to ~500 KM after one event (while the slot for last engineer continued to drop from ~300 KM to ~200 KM).
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By iMaginaryy on 23 Jan 2018 04:39
You should add that they lose all their progress if you switch them out and then sign them again. So, be careful with that.
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By ArcticRaider on 30 Apr 2016 19:23
Is this one glitchy for anyone? Stuck on 33% for me.
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By BaronVonBrannan on 02 May 2016 08:21
For me too 33% and don't popup achievement...
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By Seraggi on 24 Jun 2016 11:12
Stuck at 66% for me...
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By UncleJoeBob1993 on 09 Aug 2016 20:31
It's worth noting that the crew chief doesn't count. He's the only one I have 3 perk slots for & my tracker shows 33%. This only counts with one of the 4 hired engineers. It makes sense, since the achievement is to fill three of an ENGINEER's perk slots, not three of a crew chief's perk slots.
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By Schinderdiv on 25 Apr 2017 20:19
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You unlock perks for your Engineers as you travel a certain distance. From the point you hire an engineer, you will unlock a perk slot at 160.9km, 804.7km and 1609km. Because the final perk requires a substantial distance to unlock, I recommend sticking with the same engineer and continually extending their contract until you unlock their final perk slot.

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Hire yourself a mechanic and buy him three perks.
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23 Mar 2016 16:12

2 Comments
To get the third perk you need to drive about 1600 km (+ -), if you change the mechanic, the counter goes off, so do not change the hired mechanics, but renew the contract, otherwise you will have to start over. Doesn't work with the Chief Mechanic, the trophy won't fall.
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By Ereja1 on 14 Aug 2016 22:35
I got a bonus when 1 and 3 were purchased, 2 is empty
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By Jerry on 01 Jan 2018 14:22