More 5L40E problems

**peter g** · 29th April 2014, 03:16 PM

Hi Gary,
My trans failure last year was similar except no warning. Just 2000 k's after trans service, (old oil was clean, I saw it myself). Warm day, 30deg, after 3hrs on road stopped for a driver change, started to accelerate, wouldn't change into 5th. I stopped, went to drive off, boing, trans fail safe prog, wouldnt move ! Lots of smell of very hot oil. Shipped straight to A&B in Dandenong where they fitted another rebuilt unit. So I still dont know what happened to mine.
A&B recommended fitting a new heat exchanger and also flushed cooling system (only done 12 months earlier). We cut up old heat exch which didn't appear to be blocked.
I would be interested to know what happened to yours in due course.
Note these cars do not have a trans cooler, coolant circulates through the heat exch to warm up oil at start and cool ? when running. I really wonder if (in addition to the known issues with the 5L40E) the heat exchanger is right for OZ conditions.
I would happily fit a trans cooler if it was a straight forward exercise, problem is where to fit it to get direct air flow - there is not much space.
Peter

**Homestar** · 29th April 2014, 07:26 PM

Sorry to hear Gary.

Mine gave me no warning - belting along at 110 with a caravan on, then boing... No drive, trans fail safe...

**disco gazza** · 29th April 2014, 09:28 PM

I think I was very lucky that it didnt go bang on the drive back from Adelaide.
Only put about 7-800k's on her when I got back home from the trip back.
Going to work,it was fine(am in an 80kph zone),but when I was coming home from work(60kph for 10k),I really noticed that the transmission was playing up.
Its good now,but now have a dead battery and am waiting for a new one to be delivered.

Getting a Varda L1 $369.00

cheers

**33chinacars** · 29th April 2014, 11:17 PM

This is going to be a long draw out process as I don't have the funds for the repairs . That is unless I can sell my Holden Overlander.

I take it from everyone comments that it is likely to internal ( Torque Converter / Valve body etc ) & not electronic as I first thought.

I'm going to miss my beloved RR whilst its in dry dock

Gav did you take yours out yourself or anybody else for that matter.

Gary

**Laurie** · 30th April 2014, 01:42 AM

Garry
Have you dropped the Trans-fluid yet ? If not ! I don't know the code, but the pressure regulator solenoid would give similar symptons if it's faulty. Your auto is the first 05 variant that has had trouble that I'm aware of; so I would check every option before considering a re-build.
Hope it is this simple

Laurie

**33chinacars** · 30th April 2014, 02:09 AM

Thanks Laurie

But not checked fluid as yet .Probably on the weekend. Was hoping for some thing simple . Fingers crossed . Will keep you all informed.

Gary

**Homestar** · 30th April 2014, 05:16 AM

I didn't pull mine out myself at the time but I would if it happened again - it is fairly straightforward.

**jsp** · 4th May 2014, 09:06 PM

well mines started playing up now, less than 20k after having the torque converter done.

Looking at tearing into it myself as it may just be a stuck valve in the valve body.

Seems there's a few oils now, Valvoline dexron 6, Penrite dexron 6, and I have been told Nulon Full synthetic, but I don't think its upto scratch.

Whats the easiest to get?

**disco gazza** · 6th May 2014, 06:54 AM

Hi JSP,
Rhys uses Valvoline Dexron 6 ,so thats what I will be using.

cheers

**33chinacars** · 7th May 2014, 04:25 PM

O'k. Finally got to drain some oil from trans. 5 - 6 litres. Black, very black. Cant see any particles in the oil. Apart from being black can't see anything else. Next to pull sump. But is too cold in my shed to continue tonight. Yes I'm a woose.

Gary

Thread: More 5L40E problems

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