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thunderider
01-27-2013, 10:41 PM
i changed my rad,this is probly the cause to why my van runs kinds hot....http://i82.photobucket.com/albums/j269/thunderider/C0898248-28F5-47AC-9384-029C65910025-714-000000762B679D61.jpg
http://i82.photobucket.com/albums/j269/thunderider/42C6425D-B6EE-4410-A0A7-B9B65C801B96-714-0000007620FAA697.jpg
http://i82.photobucket.com/albums/j269/thunderider/C0898248-28F5-47AC-9384-029C65910025-714-000000762B679D61.jpg
http://i82.photobucket.com/albums/j269/thunderider/82087F75-4EA6-4ED0-897A-BE274F13EB6C-714-0000007616B366D3.jpg
this is a rad that a garage put in my van,the white in the corners is the aluminium rotting turned to powder i can push a screwdriver right through :yell::yell:
its disgusting a so called garage have done this

flman
01-27-2013, 11:05 PM
You get a lot of build up between the charge air, the condenser, and the radiator. I am in the HVACR biz, and dirty coils make us a lot of money.

Altered Sprinter
01-27-2013, 11:14 PM
The G is blinded too see, the aluminum has rotted, end of story.
Buy a new one and save your self the drams that will follow.

thunderider
01-28-2013, 06:05 PM
i did swap it out,the temp sems to have stableised it did fluctuate a couple of degrees c but that may be down to air maybe still in the system in one of the pic theres actualy bird feathers in the vents!! wtf!!,its pretty stable about 83 degs c on motorway and drops to 80c when u slow down coming off mway so pretty happy with that just keep an eye on water pump!

llmaurice
01-29-2013, 11:22 AM
We had a similar problem on our '99 312d. Temperature climbed as high as 120 deg.
Stripped out the whole front and found our 2 year genuine Merc t/stat opened at 95deg ,our rad which I'd previously flushed thoroughly was still badly furred so bought a cheap new rad.off Ebayfor 126+10 next day delivery (Excellent service).
We now run at 80 deg (unladen) and even our heater works.
I agree that the amount of degradation on the rad and even in our case the intercooler fins is bad and seeing as the intercooler is covering half the rad, the low speed cooling is Ok but I can imagine as a previous Air con poster has said that the fin blockage is a major factor with our older Sprinters.
Oh for the old brass radiator matrix eh ?

Boater
01-29-2013, 12:53 PM
My '96 312D rad is in better condition than that one - did the garage charge you for it? Probably did, I've seen second hand ones ebay not looking much better listed for almost the price of a new one.
I assume my rad is original, I washed plenty of flies out of it but the fins weren't crumbling away like that, the intercooler fins are pretty fragile though.

talkinghorse43
01-29-2013, 03:53 PM
The pictures seem to suggest the radiator has been exposed to attack by some chemical (could be an acid or a strong base) that has destabilized the protective oxide coating that normally does a good job of protecting aluminum from corrosion. Maybe it was cleaned with a strong cleaner that then wasn't adequately washed away? Or, maybe the residue seen is dried antifreeze from a small leak that built up over time?

thunderider
01-30-2013, 02:32 PM
yes i did get charged for the rad,if they hadnt put a turbo on for free and other couple of bits ida gone back n made him ware it!!,i paid 70 off ebay i ordered it at 3pm it was at my door by 9 next morning!! its the worst radiator iv evere seen,iv done over a million miles on bikes n vans and this sprinter is the only thing i worry about not being up to the job,iv rode bikes that were water cooled almost flat out for 12hrs aday and theyv always been temp stable,hell i even had an LDV Pilot that i drove hard the length n bredth of the country and that was temp stable with no worries.....as for my ford transit i never ever worried about jumping in that with out checking any thing and driving none stop a thousand miles and not worry!!

llmaurice
01-30-2013, 08:07 PM
I think the corroded fin problem is mainly in UK where the Mot insist on using rock salt in icy conditions so with the 312d blasting along at *** mph sucks huge amounts of it in through the intercooler ,then the rad which you can't get to to wash the stuff out.
I've looked for a good s/h intercooler but all one sees on Ebay are flimsy Chinese things with plastic sides unlike the all alloy monster fitted as standard. I must say though that the Far Eastern rad fitted well and did the job of reducing the temperature.