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Goce

Goce's 06 Peugeot 607 Adventures ( headaches)

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I bought this car few days ago and had a hell of an adventure getting it home overheated, blew a radiator hose and all its coolant. Now the real adventure starts to find and fix everything on it so i can trust it.

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Here i where all this started. I found this Peugeot advertised on a local site cheap. The advert was written very badly and only mention a slight coolant leak. I grabbed my car keys and went 130 km away in another city to have a look. On the body and mechanical except tires it was in good shape. The engine is a different story, it producing pressure in the cooling system and there is engine oil in the coolant. After negotiation the price to where it can work for me and cutting his asking price in half we shook hands. I left him a deposit, and went home, next day i went back 130km and transferred the title on my name, return the license plates, get temporary plates, went thru the inspection station and begin my 130 km drive home, the first 50km was fine but then temp gauge started to drop and engine oil temp went up. I stopped and found a DIY radiator hose blow off and dump all its coolant. I attach the hose filled the system with water and continued, next 30 km was holding but then the temp gauge dropped again at zero no indication that is overheating, i stopped and it has spilled out all the water i put in the coolant system combined with engine oil and it won't accept any more it was boiling and spitting. I had stopped at a road works so all the road workers come by and stood around waiting for it to cool down. Then i filled it and made it further 20 km and same again, did the same then took 10km to do it again and last few km i stopped 2 more times but got it home, the first picture is dirty how i got it that night next two are form the next day me washing it. Now i'll be tearing the 2,7 HDI twin turbo engine part by part to fix it. I wanted to share my experience with it and all my struggles.

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Let the adventures begin. I spent some time today, washing the engine bay, from all the coolant and oil that it spilled out. After few hours to dry i drove it around to dry the engine. Then come somewhat tricky task of getting it in the big garage, it so long and so low that it will nose dive if i tried to drive it straight so i had to get couple of my other vehicles out first and drive in at an angle and the last few feet i use a piece of wood to drive on to, to keep the front bumper from scraping. Once i got it in i did not waste any time to loosen all the wheels and got it on jack stands, it's a heavy car, so i used the two jack method and get it high enough so i can get under it.

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Before tearing it down you could short-circuit the water feed of the oil cooler and see what happens.

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5 hours ago, SRDT said:

Before tearing it down you could short-circuit the water feed of the oil cooler and see what happens.

SRDT i looked at cross connecting the water hoses for the oil cooler but they are quick connects that i don't have spare and i don't want to cut the factory hoses. Because there is a lot of oil coming from the middle of the engine right where the oil cooler is located a wanted to remove it and test it separately i'm sure there is some type of gasket that is making a mess there. And the previous owner mention that he had to replace the oil cooler back in 2017 and looking thru the service history this is a third engine and second gearbox, in 2007 it was replaced by warranty. Then in 2014 there is a service bill for 12 grand and both the engine and gearbox serial numbers added. Knowing that i looked at the engine's date's and some parts like the intake manifold has 05 on it but head castings have 2012 on them so i'm suspecting if they replaced it they replace just the long block, the radiator is 2007.

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Let the adventure begin, I started to disassemble the engine, the cooling system, i could see some glue was used on the thermostat housing when i first went to look at it but had no idea anyone could be so stupid to do this. To glue a rubber hose inside the thermostat housing blocking the passages for the heads. I also found that the V of the engine is full of oil leaking from the oil filter or oil cooler. After seeing this mess i decided i'll take out the radiator to clean it. But to remove the radiator i have to remove the front bumper not a simple job, but an hour later it was out along with a lot of other components, this process took me almost an entire day and when i come to removing the back hoses i come to a conclusion that i'll need to remove the entire engine, there simply is not enough space to do the work in the engine bay.

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Last few days i've been taking apart the 607, very dirty and hard work, there is absolutely no space. One other thing i've also been doing is washing the cooling system parts it looks like this car that had this problem for a long time, on all the hoses, housings there is a 3mm this layer of oil sludge, there is a lot of it i've been soaking the parts in oven degreaser and washing them with very hot water but i'm having trouble getting all the sludge out, even after 5 washings there is still coming out, on some parts i can get a brush in them and they clean up well but staff like EGR coolers valves i can't access them. Has anyone had to do this any tips how clean the engine block and rest of the system, outside of the car. Any advice is appreciated. Also if anyone has access to any service diagrams or repair manuals for the 607 or the 2,7 hdi i will appreciate if you share them.

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