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Yeah I definitely changed the thermostat and gasket. I just changed it again last week (18 months later) as it didn't seem to opening soon enough. Turns out the heater tap was cracked so there was an air bubble in the system and I was losing fluid. $45 for a new tap by the way. All good!

I sure did, but in order to do that you need to drill a hole in the bolt first, and the drill bits kept snapping. Finally one of them snapped and welded itself into the bolt. :bomb:

I thought I'd share this little experience I had not long ago when attempting to replace the thermostat in my VS V6. One of the bolts (size M8) snapped off when trying to undo it. After a few hours of trying to extract the half that remained (unsuccessfully... I even managed to 'weld' a drill...

missing what?

Yeah true... it seems the previous owner forgot to grease the shaft before replacing the pulley. Prevention is always better than a cure. :thumbsup:

Sounds like the temp sensor has come off. Its' the little plastic rectangle on the end of a wire, just below the thermostat housing. If it is off, just slide it back on and hey presto.

Today I was replacing the AC idler pulley (the other flat idler, not the tensioner). I unscrewed the bolt, all good. Then I went to pull the pulley off as it was stuck on. Well, I broke the damn support (the bit behind the pulley with the thread in it). See photo 1, taken after the AC idler...

Fuel economy will suffer, as it will rev higher and have less power at high speeds.

Mine does the same on petrol but not gas (strange). I'm not sure how much to fix, but I'm just dealing with it - i.e. not driving on petrol above 80km/h. I guess I'm lucky, but still keen to fix.

Could be torque converter clutch, mine is having same prob and that's what I was told. Does it only happen above 85km/h? I changed fuel filter, spark plugs and leads and still there...

You might have pulled the EGR exhaust gas recirculation hose out. It's the little black hose that goes into the bottom of the throttle body. mine comes off all the time, and the car chugs like a biggest loser walking up the stairs. It's fiddly to put back... but a long screw driver and maybe...

Use a big arse flat head screwy and wedge it to the right of the pin from the inside, and force it to the left...

Bad news... the problem remains. I think you guys were right, it's probably the torque converter clutch. I was so hoping you were wrong. I'll have to take it in to get looked at.

I've now replaced the leads and so far it seems to have fixed the problem. However, the problem was a bit intermittent (probably should have mentioned that) so I'll give it a few days before I celebrate just yet. Thanks again for the advice. Hopefully I can officially close this one next week.

Update: I replaced he spark plugs and the problem is still there... I'll do the leads as I'm told that they could still be bad even with good resistance readings, and what the heck it'll cost me more just to walk in the door of the mechanic so I may as well.

Last year I got 5 quotes, ranging from $150 (Pooraka Radiators, Adelaide) - $241 (Repco). All brand new with plastic side tanks.

Same thing happened to mine last year, I was told to replace the whole radiator. If there's a leak in the RHS then there's a good chance the LHS might not be far behind it. If you do, ring around as prices vary greatly for radiators...

Update: the leads are fine. 5 Kohms on the left and 2.5 Kohms on the right... I'll be taking it in for the experts to diagnose/fix this one. EDIT: No actually I'm going to replace the plugs first as they are old...

I just spoke to an auto transmission mechanic who suggested to check the spark plug leads... sounds much cheaper, fingers crossed. I'll report back.

Thanks guys. I think you might be right hako. :thumbsup:.. a little more research yields this from an unnamed forum: "...a shudder in the transmission when the torque converter lockup clutch engages and disengages... The TC lockup occurs at light throttle just over 90kph in 4th gear." And...

I have a dual-fuel VS S2 auto wagon. This problem only occurs when the car is running on petrol... When the speed hits about 80km/h and it kicks into 4th there is a really loud and strong rumble/vibration, possibly coming from the rear end. It's now so bad that it feels like I'm driving over...

Valid points, I'll report back if anyone's interested.

Yeah and I guess you should check the rubber window seal so that if/when you fix it, it doesn't happen again. Water could be leaking through. Mine disappeared down into the door at one stage and then rain gets straight in!

Can anybody tell me what size spring (length and diameter) goes in the top of the auto gear lever to apply pressure back onto the 'trigger'? I took mine out a while back because it was broken, but now I can't find it. From memory it was roughly 40mm by 5mm diameter? Cheers!

Right side springs are supposed to be about 1/2" (I think) longer to account for the weight of driver... Sounds like the previous owner may have been on the large side :whistling

Update: I decided to do my VS first. All went well, except I didn't replace the filter seal as I didn't have enough room under the car to go stuffing around trying to get it out. No visual signs of wear on the old one though.

Hmm I forgot to check back on this one. Thanks for the replies. It turns out they did give me the wrong one. They gave me 92092444 which is grey and has 4 pins. I'll take it back tomorrow. Seriously, ho can you trust if you can't trust a holden spare parts place!!?!

Probably not quite what Ozzie was after. Not sure how much in labour but I just enquired about a VT transmission service kit - $22 at Bursons (filter, gasket, not sure what else) and 5L new fluid - $30-$35. There's plenty of guides for servicing the tranny around if you're game. I plan to do...

Thanks. $8.50 later and problem solved. :thumbsup: The new relay has 4 plugs whereas the old one had 5, is that strange?

OK the wife's VT comes up with 2 codes. 12 - System Pass (OK) 92 - Low Speed Radiator fan response signal The problem is the thermo fan switches on at startup sometimes (engine cold and A/C off) and stays on. If you turn the car off and on it's all good though. It's a V6, had a new...

Any result for this one Old Colts?

Hmmm. Could be the same problem I was having. Thermostat was stuck open, which means coolant was always flowing through the radiator and the engine never reached correct operating temp. Hence my heater never worked, even after driving for an hour! $20 later (new thermostat and gasket) and my...

Yes :dance:, a dodgy thermostat was my problem until last week. It was stuck open, which means coolant was always flowing through the radiator and the engine never reached correct operating temp. Hence my heater never worked, even after driving for an hour! To check the thermostat without...

yes, thanks for the advice, I just bought some reco injectors on ebay for $77 + $11p&h (with exchange). Bursons wanted $200 for a reconditioned set so under $100 sounds good. eddy let us know how you go with it as I'll be having a go next week... cheers

Thanks for the advice. I'll see what they're currently at, it's running OK as is. When do I know it's time to change the sparkies? Apart from when my car won't start...

I know this question is 18 mths old, but still just as relevant now. I'm interested in the spark plug gap. I've read 1.5mm and I've read 0.9mm. Which is best for a dual fuel ecotec?

So I took it elsewhere today and the bad news is the radiator was stuffed... So $335 bought me a new VT Series 1 V6 radiator, installed, with engine flush and 2 clamps and a radiator clip. Add that to the $126.50 yesterday and I'm down $460. A far cry from the $150 it cost me to put a new...

Incidentally, don't ever go to Frank Bria Motors in Hampstead Gardens, SA. He is a crook. He charged $126.50 when my girlfriend's car was towed there yesterday. All they did was test the old thermostat, put a new one in, and top up (not flush) the coolant.... Daylight robbery! :bang...

Exactly my thoughts... $150 for a new radiator with 2yr warranty and peace of mind.

I rang around for a new one (V6 VS S2). 5 quotes, ranging from $150 (Pooraka Radiators, Adelaide) - $241 (Repco). It pays to ring around!