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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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70K
 by DaveSmed
Coolant supplement Tabs
13
5K
 by Craigdude
Engine swaps for 1984 Fleetwood
4
131
 by Pimpin56
Misfire 93 4.9
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82
 by CadillacCreel
Swapping HT4100 (4.1L V8) Fleetwood Brougham with a 5.7L V8
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670
 by smokuspollutus
Searching for 4.X parts...Can anyone help?
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491
 by smokuspollutus
1988 4.1L Allante Change Spark Plugs?
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367
 by Submariner409
Bypass A.I.R. pump
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367
 by Drbaker79
transmission dip stick
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354
 by cranney
Is it worth it to buy a 1984 Eldorado with the HT4100 V-8 ?
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725
 by Submariner409
Ht 4100 parts
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298
 by 1984devillelimo
1990 Deville-- Code E41
7
7K
 by wildbilljr
4.5 oil pan removal
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1K
 by sallygreen
92 Deville runs rough. See pics
7
498
 by cadillac_al2
Convert 4.9L Distributor to 1 wire non-electronic
1
207
 by cadillac_al2
4100 issue, need help!
4
460
 by carnut
Dull clattering at idle
3
594
 by carnut
1992 DeVille 4.9 Oil Pan Removal
2
332
 by FiftySeriesSixtyTwo
Crank Damper Pulley
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177
 by RoadHazzard
Replacing the starter on a 1987 Eldorado with 4.1L V8
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6K
 by Laurent300c
Replace alternator on 4.9 seville 1991
2
307
 by Laurent300c
HT4100 4.1, 4.5, 4.9 This forum is to discuss the newer aluminum block Cadillac engines.
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