AuthorTopic: help with engine overheating  (Read 3222 times)

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Offline ross501

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help with engine overheating
« on: March 21, 2006, 21:12:01 »
i have a problem with the series 3 it overheats after about 2 miles i have taken the stat out and the water pump is working but still over heats :evil:

Offline dave_2A_2.25Turbo

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help with engine overheating
« Reply #1 on: March 21, 2006, 23:30:01 »
rad blocked
head gasket
Dave
1963 S2A
1992 Disco 200TDi
Sankey Widetrack

Offline bezzabsa

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help with engine overheating
« Reply #2 on: March 22, 2006, 12:51:06 »
faulty gauge?? is it ACTUALLY overheating?
Be afraid. Be very afraid
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Offline Lincs niva

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help with engine overheating
« Reply #3 on: March 22, 2006, 12:59:32 »
Had a simliar problem with my temp gauge.Telling me it was overheating when in fact it was an earth problem all along.Same happend with my fuel gauge reading full when i only put 10 pounds worth of fuel in again bad earth 8)

Cheers Gavin
Yorkshire and Lincolnshire 4x4 Response
www.yorks-lincs4x4response.org

Offline hobbit

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help with engine overheating
« Reply #4 on: March 22, 2006, 16:20:35 »
Check the top and bottom hoses to see how hot they are, could point to rad, or stuck stat
Kev

'91 stretch Discovery 200 Tdi
Hybrid for running round (got to go now)
Srs 3 Lightweight petrol (got to go)
Srs 3 Lightweight petrol, runabout

Not every problem can be solved with duct tape, and it's exactly for those situations we have WD 40

Offline ross501

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help with engine overheating
« Reply #5 on: March 22, 2006, 18:47:54 »
it is a new rad  and all the pipes are getting really hot  think i will have to order a head gasget and see if that cures it

Offline MisterC

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help with engine overheating
« Reply #6 on: March 23, 2006, 20:51:16 »
Is it steaming or just showing hot on the temp gauge?  If it was the head gasket you'd expect to see some oil in the water and/or mayonnaise in the rocker cover/oil filler and/or the overflow bottle would keep filling up as the pressure built up.  Have you replaced rad cap? You say it's got a new rad, did you have the heater set to fully hot when you refilled it?  You can get an airlock if you don't do this.  I had a similar overheating (steaming) problem with my S3, and replaced rad cap as a start to no avail.  Kept filling up, kept steaming out (after about 2 miles).  I was filling rad to just cover the fins each time.  The last time it did it, I left it and didn't refill, several weeks later, no problems.  It seems to have found it's own 'level'.  Temp now normal.  My drive has a very slight slope, so it may have given a falsely low level when I topped it up.  The excess just steamed off.
Regards
Paul
1972 SWB Petrol 2.25 SIII, safari top side windows, Limestone, FWH, 750xR16s, Weber carb, Kenlowe fan, Maplin DIY ignition amplifier and now overdrive.  Coming soon...(cheap) SU carb conversion and (cheap) electronic dizzy conversion (he said hopefully).

Offline timberdog

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ll
« Reply #7 on: March 23, 2006, 21:20:04 »
aint a loose earth strap form engine to earth?

i had this and it was the problem never know





Marriage is the only war where you sleep with
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enemy.

Landys i Own:

90 COUNTY 200TDI
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Offline ukmudmaster

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Overheating
« Reply #8 on: March 23, 2006, 21:51:49 »
before you change the head gasket, scrounge a compression tester, if all 4 pots are the same , look elsewhere! Is your rad clogged with mud? Electric fan working? Have you reverse flused the rad, this usually shifts a load of sludge,
good luck with it,
Dave
Range Rover Classic EFI auto, 3.9 V8 Offroader, 300 Tdi Auto greenlaner.
axledeep@googlemail.com

Offline Lee_D

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help with engine overheating
« Reply #9 on: March 23, 2006, 23:53:06 »
Is the Rad cap the correct pressure rating or an off the shelf halfords jobbie?

Worth checking.
Currently : ' 03 Range Rover Vogue TD6 Auto, '90 110 CSW TD
Previously : 101 Ambi Prototype, Jaguar powered IIa Auto , '83 RRC , '90 RRC , '97 Disco ES Auto LPG'd

Offline ross501

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help with engine overheating
« Reply #10 on: March 24, 2006, 20:52:47 »
the rad cap came with the new rad i have done the head gasget and flushed out all the water pipes and the rad i still have the old rad top i will try that did not realise that it would create a over heating problem really hope that it is sorted somehow

Offline Canada Al

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help with engine overheating
« Reply #11 on: March 24, 2006, 21:39:53 »
I don't want to be the bearer of bad news ....But I had the same problem and did the rad and the head gasket and the flush plus all the other stuff I could think of . I even had the head pressure tested to see if there was an internal crack . All to no avail . In the end it was a porous liner on no. 3 bore . For me , it was a  recon  short motor and swap all the bits . I hope you can get it sorted .
As an after thought , there was never any oil in the water or water in the oil . took me weeks to pin down the problem ......Al

Offline tomarse

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help with engine overheating
« Reply #12 on: March 25, 2006, 00:09:20 »
Are you sure the water pump is working?

My landy started running warm and it was because the key that held the crank pulley in place had broken, so it wasnt spinning properly, and hence not turning the water pump!

Dude is right about the cap too!. Replacing the radiator cap on my 101 stopped it from overheating! (on his suggestion too i think!)

Offline hobbit

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help with engine overheating
« Reply #13 on: March 25, 2006, 14:29:33 »
Quote from: "tomarse"
Are you sure the water pump is working?



The impellors on the pump can chorode away, making it not so effective at pumping the fluid round the engine
Kev

'91 stretch Discovery 200 Tdi
Hybrid for running round (got to go now)
Srs 3 Lightweight petrol (got to go)
Srs 3 Lightweight petrol, runabout

Not every problem can be solved with duct tape, and it's exactly for those situations we have WD 40

Offline ross501

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help with engine overheating
« Reply #14 on: March 25, 2006, 17:39:18 »
got it all back together still no improvment going to change the water pump if that dont change anything then will be looking for another engine

Offline ross501

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help with engine overheating
« Reply #15 on: March 27, 2006, 19:59:11 »
its done and all working flushed it out again and put another pump in all seems okay now  thanks for all your help

Offline ross501

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help with engine overheating
« Reply #16 on: March 27, 2006, 20:00:55 »
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