over heating

Submitted: Wednesday, Apr 17, 2002 at 00:00
ThreadID: 972 Views:1479 Replies:8 FollowUps:5
This Thread has been Archived
hi have just purchase an off road caravan 2000kg
tow vehicle 4.2 toyota troopy 95 . It is getting hot climbing hills can any one tell me if the fluid coupling should allow the fan to rotate a full rotation when cold' mine will only move about 50mm it seem to have a lot of drag .Would this make the temp go up Ifeel the troopy can handle the weigh ok
thanks
Back Expand Un-Read 0 Moderator

Reply By: Steve - Wednesday, Apr 17, 2002 at 00:00

Wednesday, Apr 17, 2002 at 00:00
Bob I feel that I have had a similar problem with a L/c 4.2 diesel Station Wagon... After a new rad, new Thermo, new pump , and a new fan coupling the problem was solved ... but not until the fan coupling was renewed... reckon it sounds exactly the same problem, temp never rose above normal in city and without load, put all the Camping gear on board and loaded up would still cruise at normal temp, but start up a steep hill or put a bit of pressure on the motor and temp rose above normal, the fan coupling was eventually diagnosed as r/s ! ( there does not seem to be a way of testing these bits, so I replaced it with new) An expensive little lesson, Dealers could not work it out, gave heaps of daft excuses eg, wrong coolant, non factory rad etc..Hope this helps you a little,
steve
AnswerID: 2881

Follow Up By: Bob - Wednesday, Apr 17, 2002 at 00:00

Wednesday, Apr 17, 2002 at 00:00
Thank steve sounds like the same thing did you use an after market coupling or the real thing ( toyotas)big difference in price
0
FollowupID: 1118

Reply By: Ian - Wednesday, Apr 17, 2002 at 00:00

Wednesday, Apr 17, 2002 at 00:00
Bob,,,i just checked the fan on my 80 series 4.2 with the motor cold i can freely turn the fan in either direction with just a very slight drag ,i hope this can help you ,,,Ian
AnswerID: 2882

Reply By: Steve - Wednesday, Apr 17, 2002 at 00:00

Wednesday, Apr 17, 2002 at 00:00
Bob,

4WD Monthly had an artcle on how to add the viscous coupling oil to the fan. Not a very difficult procedure. I can look up the issue if you want. You don't need to buy a new one as they are fully servicable.....and it is a common problem after a few years.
AnswerID: 2883

Follow Up By: Charl Makssi - Wednesday, Apr 17, 2002 at 00:00

Wednesday, Apr 17, 2002 at 00:00
hi steve,
i am keen for your reply also.
charl
0
FollowupID: 1122

Follow Up By: Charl Makssi - Wednesday, Apr 17, 2002 at 00:00

Wednesday, Apr 17, 2002 at 00:00
i did forget to mention i have exactly the same problem with my 4.2 efi GQ patrol where it's fine in all situations but when it starts to climb then the temp soars.
0
FollowupID: 1123

Reply By: bob - Wednesday, Apr 17, 2002 at 00:00

Wednesday, Apr 17, 2002 at 00:00
Thanks steve that would be great if you could do that for me . Priced one the other day $450
AnswerID: 2885

Reply By: Rod - Wednesday, Apr 17, 2002 at 00:00

Wednesday, Apr 17, 2002 at 00:00
Bob, I recently had to replace the fan hub on my 4.5 Petrol, because it had a sweaty leak. Like you say Toyota wanted $500.00. Got mine from Coventrys for around $250.00, came in the same type of Toyota packaging etc.
AnswerID: 2886

Reply By: bob - Wednesday, Apr 17, 2002 at 00:00

Wednesday, Apr 17, 2002 at 00:00
Rod

Can you please explain where Coventry is, as I am based in Brisbane. Do they have an email address?
Cheers Bob.
AnswerID: 2890

Follow Up By: Steve - Thursday, Apr 18, 2002 at 00:00

Thursday, Apr 18, 2002 at 00:00
I'll check it out tonight.....was not at home yesterday .
0
FollowupID: 1129

Follow Up By: Rod - Thursday, Apr 18, 2002 at 00:00

Thursday, Apr 18, 2002 at 00:00
Bob, Coventrys is an auto spare parts (amoung other things) group here in Perth. The following Qld locations are from their web page.


Unit 1, 151 Robinson Road, Geebung QLD 4034
Phone: 07 3865 8133 Fax: 07 3865 8221
E-mail: geebung@cap.cgl.com.au
Units 1-4 227 Leitches Road, Brendale QLD 4500
Phone: 07 3889 9522 Fax: 07 3889 9533
E-mail: brendale@cap.cgl.com.au
94 Boniface Street, Coopers Plains QLD 4034
Phone: 07 3275 2162 Fax: 07 3275 3823
E-mail: coopersplains@cap.cgl.com.au
3349-3351 Pacific Highway, Springwood QLD 4127
Phone: 07 3208 8820 Fax: 07 3208 8826
E-mail: springwood@cap.cgl.com.au
0
FollowupID: 1131

Reply By: Kev - Friday, Apr 19, 2002 at 00:00

Friday, Apr 19, 2002 at 00:00
Hi Bob this overheating problem you have is fairly common with toyota's before you spend $500 on a new coupling, try having your radiator cleaned professionaly, which involves removing the top and bottom tanks {make sure they do this as some places only "powerflush" which is a waste of time} For some reason Toyota put in a inhibitor at manufacture and after a few years this turns to cement which will block off enough core tubes to overheat your engine when you are driving up a hill.this should cost about $100.Also check your themostat make sure it is a genuine toyota one, i've had nothing but trouble with non-genuine cooling componants.cheers Kev.
AnswerID: 2951

Reply By: Steve - Monday, Apr 22, 2002 at 00:00

Monday, Apr 22, 2002 at 00:00
Bob,

The article was in the March 2002 edition of 4WD Monthly. I can fax it to you if you contact me offline as sjcampbel@optusnet.com.au
AnswerID: 2997

Sponsored Links

Popular Products (13)