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HT4100 4.1, 4.5, 4.9

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Sticky OBD I codes for 4.x Engines
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71K
 by DaveSmed
Vacuum Line Routing Egr Solenoid & Regulator
6
8K
 by MooseMoose
Cold Air Intake?
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697
 by PhletchSRX4
1992 4.9l and the unavailable 10W30
4
283
 by jayoldschool
4.1 V8 motor oil leak
1
206
 by 1983 Fleetwood Brougham
Searching for 4.X parts...Can anyone help?
5
733
 by smokuspollutus
Coolant supplement Tabs
15
5K
 by Submariner409
Engine swaps for 1984 Fleetwood
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429
 by Cadikid85
Misfire 93 4.9
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206
 by CadillacCreel
Swapping HT4100 (4.1L V8) Fleetwood Brougham with a 5.7L V8
4
862
 by smokuspollutus
1988 4.1L Allante Change Spark Plugs?
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436
 by Submariner409
Bypass A.I.R. pump
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406
 by Drbaker79
transmission dip stick
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393
 by cranney
Is it worth it to buy a 1984 Eldorado with the HT4100 V-8 ?
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826
 by Submariner409
Ht 4100 parts
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345
 by 1984devillelimo
1990 Deville-- Code E41
7
7K
 by wildbilljr
4.5 oil pan removal
4
1K
 by sallygreen
92 Deville runs rough. See pics
7
566
 by cadillac_al2
Convert 4.9L Distributor to 1 wire non-electronic
1
236
 by cadillac_al2
4100 issue, need help!
4
538
 by carnut
Dull clattering at idle
3
624
 by carnut
HT4100 4.1, 4.5, 4.9 This forum is to discuss the newer aluminum block Cadillac engines.
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