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#1
11-14-2022, 02:37 PM
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Fan vs Shroud
Hi all,
I have a 1969 GTO Recently, (never made noise before) my fan is hitting the bottom of the fan shroud. When I bought the car I didn't notice what it looked like, never needed to. The car runs great! Weird thing is, recently I would hear the noise at startup then it goes away after a few miles and doesn't happen again till the next day start up. I have included a sketch of the problem. not sure how the fan could be so off center from the shroud? Shroud fit looks good. Luckily during the noise investigation, I found I need a new water pump (fan moves a little) so I will be working on that first. It looks like a 69 shroud is different from a 68, might there be another version for a 69? All in all, with the fan/shroud as is, I have never had heating problems, even while driving in 106 degree weather this past summer. Thank you, Jim |
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#2
11-14-2022, 02:53 PM
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I think I'd be checking motor mounts.
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#3
11-14-2022, 02:56 PM
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Ditto - check the motor mounts.
__________________
Ken '68 GTO - Ram Air II 464 - 236/242 roller - 9.5” TSP converter - 3.55 posi (build thread | walk around) '95 Comp T/A #6 M6 - bone stock (pics) |
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#4
11-14-2022, 03:01 PM
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Makes sense!
Thank you |
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#5
11-14-2022, 05:13 PM
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Yep, motor mounts .... and if you get new ones ... get the nice ones that Ames sells, WAY better than the cheapo mounts and will bring the engine up to the proper original height.
__________________
I'm World's Best Hyperbolist !! |
| The Following User Says Thank You to dataway For This Useful Post: | ||
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#6
11-14-2022, 08:28 PM
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Jim,pay close attention to the trans mount.That make a lot of dif on the front of the engine.Tom
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| The Following User Says Thank You to tom s For This Useful Post: | ||
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#7
11-14-2022, 10:33 PM
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Agree with Tom.
Have you done anything with tranny/crossmember? 
__________________
John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#8
11-15-2022, 11:44 AM
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Quote:
Will do |
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#9
11-15-2022, 11:46 AM
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Quote:
Thanks |
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#10
11-15-2022, 12:05 PM
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This is a common problem with Pontiac A bodies, good points so far; too low (worn or incorrect) engine mounts and/or too high trans mount. Other possibilities include trans cross member having rusted out ends replaced incorrectly, lower frame rail(s) at trans crossmember being pushed upwards by improper jacking. Als, past front collision damage resulting in a front frame rail or both being bent upward or if rad support lower rust was corrected in a way that resulted in rad support sitting too high relative to frame rails.
__________________
My Break Away Squad 1969 Fbird (Base, 350 & Sprint Cvt’s - 400HO & TA Hardtops) 1969 LeMans (2dr & 4dr Hardtop and a Cvt) 1969 LeMans Safari 2 seat Wagon 1969 GTO (2 Cvt, 2 Hardtops & Judge Hardtop) 1969 Catalina (3 Cvt’s & a 2dr hardtop) 1969 Ventura 2 Seat Wagon 1969 Executive 4dr Sedan 1969 Bonnie Cvt 1969 Bonnie 3 Seat Wagon (2 of them) 1969 Bonnie Brougham (4dr Hardtop & Cvt) 1969 Grand Prix SJ (2 of them) 1969 2+2 2dr Hardtop (Canadian model) |
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#11
11-18-2022, 11:36 PM
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This is the car Jim is talking about.Tom
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#12
11-19-2022, 05:51 PM
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Water pump going out?
__________________
 be a simple...kinda man.
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